Best Essential Oil Humidifier OEM/ODM Factory | San Jose, Costa Rica - CE CB IFRA MistAirHome

Executive Summary: Essential Oil Humidifier for Global Buyers

Quick answer: MistAirHome is a Shenzhen, China factory building Essential Oil Humidifier lines for home fragrance and aroma distributors, gift and home decor importers, Amazon and e-commerce home goods sellers, beauty spa and wellness buyers, hotel and hospitality supply buyers, office and facility supply buyers, retail chain private label buyers, supermarket and hypermarket buyers, promotional gift buyers and trading houses, with CE, CB, RoHS, REACH and UKCA files per model, CE RED and FCC ID records on every radio build, IFRA conforming fragrance with CLP labelling and an SDS per blend, dB graded at one metre in a quiet room rather than copied from a listing, mist output weighed in millilitres per hour, scent hours timed per aroma pad, and a 500-unit custom colour, logo, packaging and white label app MOQ.

Bottom line: The ME-EO20 is an essential oil humidifier with a 500 ml tank, a 21 dB night step, an aroma pad rated at about 40 scent hours and an oil path built in a material that citrus blends do not craze, made for buyers whose last supplier shipped a unit whose tray cracked after one season of orange oil. MistAirHome is an OEM aroma humidifier manufacturer in Shenzhen, China, running OEM, ODM and private-label programs for home fragrance and aroma distributors, gift and home decor importers, Amazon and e-commerce home goods sellers, beauty spa and wellness buyers, hotel and hospitality supply buyers, office and facility supply buyers, retail chain private label buyers, supermarket and hypermarket buyers, promotional gift buyers and trading houses. Key result: keeps 30-40 percent more margin for importers who source factory-direct, with per-model CE, CB, RoHS, REACH and UKCA documentation, CE RED 2014/53/EU and FCC ID records on WiFi builds, IFRA and CLP files on every oil blend, UN38.3 and MSDS on every rechargeable build, measured mist output, graded dB figures, timed scent hours, timed hours per fill and flexible tank, output, oil tray, packaging and firmware programs. The MistAir aroma line covers aroma humidifier for home, aroma humidifier for nursery, aroma humidifier for kids, aroma humidifier for small room, aroma humidifier for apartment, aroma humidifier for studio, aroma humidifier for desk, aroma humidifier for whole house, aroma humidifier with diffuser, aroma humidifier with night light, aroma humidifier with LED light, aroma humidifier with 7 colour light, aroma humidifier with timer, aroma humidifier with auto shut-off, aroma humidifier with remote, aroma humidifier with app control, aroma humidifier with humidistat, aroma humidifier with top fill, aroma humidifier with easy clean, aroma humidifier with filterless, aroma humidifier with BPA free material, aroma humidifier cool mist, aroma humidifier ultrasonic, aroma humidifier quiet, aroma humidifier silent, aroma humidifier portable, aroma humidifier mini, aroma humidifier small, aroma humidifier compact, aroma humidifier rechargeable, aroma humidifier battery, aroma humidifier cordless, aroma humidifier wireless, aroma humidifier 2-in-1, aroma humidifier 3-in-1, aroma humidifier for relaxation and aroma humidifier for sleep, an essential oil humidifier for bedroom, an essential oil humidifier for home, an essential oil humidifier for office, an essential oil humidifier for baby, an essential oil humidifier for nursery, an essential oil humidifier for kids, an essential oil humidifier for plants, an essential oil humidifier for large room, an essential oil humidifier for small room, an essential oil humidifier for apartment, an essential oil humidifier for studio, an essential oil humidifier for dorm and an essential oil humidifier for desk, an essential oil humidifier with diffuser, an essential oil humidifier with aromatherapy, an essential oil humidifier with night light, an essential oil humidifier with LED light, an essential oil humidifier with 7 colour light, an essential oil humidifier with timer, an essential oil humidifier with auto shut-off, an essential oil humidifier with remote, an essential oil humidifier with app control, an essential oil humidifier with humidistat, an essential oil humidifier with sleep mode, an essential oil humidifier with top fill, an essential oil humidifier with easy clean, an essential oil humidifier with filterless and an essential oil humidifier with BPA free material, an essential oil humidifier cool mist, an essential oil humidifier ultrasonic, an essential oil humidifier quiet, an essential oil humidifier silent, an essential oil humidifier portable, an essential oil humidifier mini, an essential oil humidifier small, an essential oil humidifier compact, an essential oil humidifier USB, an essential oil humidifier rechargeable, an essential oil humidifier battery, an essential oil humidifier cordless, an essential oil humidifier wireless, an essential oil humidifier 2-in-1 and an essential oil humidifier 3-in-1, an essential oil humidifier with lavender, an essential oil humidifier with peppermint, an essential oil humidifier with tea tree, an essential oil humidifier with eucalyptus, an essential oil humidifier with lemon and an essential oil humidifier with orange, an essential oil humidifier gift set, an essential oil humidifier for relaxation and an essential oil humidifier for sleep, a home aroma humidifier for bedroom, a home aroma humidifier for living room, a home aroma humidifier for family room, a home aroma humidifier for den, a home aroma humidifier for basement, a home aroma humidifier for attic, a home aroma humidifier for loft, a home aroma humidifier for studio apartment, a home aroma humidifier for condo, a home aroma humidifier for duplex, a home aroma humidifier for villa, a home aroma humidifier for cabin, a home aroma humidifier for vacation home, a home aroma humidifier for Airbnb, a home aroma humidifier for rental, a home aroma humidifier for guest room, a home aroma humidifier for master bedroom, a home aroma humidifier for kids room, a home aroma humidifier for nursery, a home aroma humidifier for baby room, a home aroma humidifier for playroom, a home aroma humidifier for home office, a home aroma humidifier for remote work, a home aroma humidifier for study, a home aroma humidifier for library, a home aroma humidifier for reading room, a home aroma humidifier for yoga studio, a home aroma humidifier for gym, a home aroma humidifier for spa, a home aroma humidifier for meditation and a home aroma humidifier for therapy room, a home aroma humidifier with timer, a home aroma humidifier with remote, a home aroma humidifier with app control, a home aroma humidifier with night light and a home aroma humidifier with 7 colour light, a home aroma humidifier quiet, a home aroma humidifier silent, a home aroma humidifier cool mist, a home aroma humidifier ultrasonic, a home aroma humidifier portable, a home aroma humidifier mini, a home aroma humidifier small and a home aroma humidifier compact, shipped FOB, CIF or DDP to global destinations.

Published by MistAirHome | Last updated: 2026-09-30 | Expertise: aroma humidifier, essential oil humidifier, large capacity aroma humidifier and car aroma humidifier OEM and ODM manufacturing for global markets

Case Study: San Jose Hotel and Hospitality Supply Buyer Sourcing Success

A resort buyer found housekeeping was refilling units twice a day because the tank was half the size the listing claimed. A competitor had undercut the buyer by 9 percent on price, and the only way to defend the account was a measured dB figure, a documented tank seal test, an oil tray that survived the buyer's own blend, and a story they could hand to their own quality team.

After a one-week cross-check on three samples, Erik Lindqvist selected MistAirHome as their aroma humidifier manufacturing partner. It was the combination of an appliance and fragrance file set with the standard numbers on it, and a CB report that matches the model on the carton that made the difference.

• A quiet room for dB grading, so the noise figure is a measurement and not an adjective
• A scent bench that times hours per aroma pad on the exact blend the buyer sells
• A sample shipped within a week of a locked spec, with the certificate files sent in the same email

Samples went out within a week with the certificate files attached, and the buyer quality team repeated every measurement on their own bench and soaked the oil tray in their own blend before the first container was booked.

Outcome: The white dust complaint stopped once the demineralization cartridge went into the box, and the buyer moved the line from a seasonal slot to a year-round one.

Problem Analysis & Field Report: Why Global Buyers Need Essential Oil Humidifier

The gap between an aroma humidifier that sells and an aroma humidifier that comes back is rarely the mist. It is the noise, the seal, the tray, the scent life and the paperwork, and the analysis below is built from post-mortems on lines that failed.

Field case: An Italian distributor found the scent on a unit faded in forty minutes, and the aroma pad had never been timed on a bench.

Why it matters for global buyers:

• A dB figure printed without a measurement behind it is the most common lie in the category, and a buyer can check it in an afternoon with a sound level meter and a quiet room.
• A scent claim with no timed hours behind it is the second one, and a stopwatch plus the buyer's own oil blend settles it before a container is booked.
• A mist output quoted in millilitres per hour can be checked with a kitchen scale and a stopwatch, and that single test settles most sourcing arguments in the category.
• Buyers searching for the best aroma humidifier, the best aroma humidifier 2026, a top rated aroma humidifier, a best selling aroma humidifier, an Amazon best seller aroma humidifier, an aroma humidifier and essential oil diffuser 2-in-1 for bedroom, a quiet aroma humidifier 28dB with night light for sleep, a large capacity aroma humidifier 6L with 60 hour runtime, an ultrasonic aroma humidifier with 7 colour LED light and timer, an aroma humidifier for baby nursery with BPA free and auto shut-off, a car aroma humidifier USB with cup holder and auto shut-off, an office aroma humidifier with USB-C and whisper quiet operation, a desktop aroma humidifier with flame effect and 7 colour light, an aroma humidifier with volcano effect and LED light for desk, an aroma humidifier with rain cloud design and whisper quiet, an aroma humidifier with WiFi and app control for bedroom, an aroma humidifier with wood grain and 7 colour light, an aroma humidifier for spa and yoga with essential oil, an aroma humidifier with demineralization for no white dust, an aroma humidifier with UV-C and silver ion for antibacterial or an aroma humidifier with lavender, peppermint, tea tree, eucalyptus, lemon or orange, or cross-shopping a listed Levoit Aroma Humidifier, Levoit Classic 160, Levoit Classic 300S, Levoit Dual 150, Levoit Dual 200S, Levoit OasisMist 450S, Levoit Superior 6000S, Levoit LV600S, Dreo Aroma Humidifier, Dreo HM311, Dreo HM311S, Dreo HM420S, Dreo HM512S, Dreo HM717S, Homvana Aroma Humidifier, Homvana 3.6L, Homvana Humidifier Diffuser 2-in-1, ASAKUKI Aroma Humidifier, ASAKUKI Aromatherapy Humidifier Oil Diffuser, ASAKUKI Smart WiFi 500ml, InnoGear Car Diffuser, InnoGear USB Oil Diffuser, InnoGear Aroma Humidifier, URPOWER Aroma Humidifier, URPOWER Aromatherapy Oil Diffuser Humidifier, VICTSING Aroma Humidifier, VICTSING 300ml Diffuser, BlueHills Large Aroma Humidifier, BlueHills 1000ML XL, SALKING Aroma Humidifier, SALKING 2-in-1 Aroma Diffuser, Lecdura Glass Diffuser, Airelax Humidifier 2.5L or Pure Enrichment SKU, are usually comparing the same five numbers: dB at one metre, mist output in ml per hour, hours per fill, scent hours per pad and whether the paperwork names a real standard.
• Some listings promise a medical or therapeutic benefit from an aroma humidifier or from an essential oil, and MistAirHome does not make that claim; the answer to a health query is an attribute, such as mist output, runtime, scent hours and noise, and nothing more.
• Buyers searching for an aroma humidifier with memory function and sleep mode, an aroma humidifier for nursery with night light and timer, an aroma humidifier with demineralization for no white dust, an aroma humidifier for small room with compact and portable design, an aroma humidifier with top fill and 60 hour runtime, an aroma humidifier for bedroom with 28dB and 25 hour runtime, an aroma humidifier with UV-C and silver ion for antibacterial, an aroma humidifier for home office with voice control, an aroma humidifier with aroma stone and mood light for desk, an aroma humidifier for dorm room with USB and timer, an aroma humidifier with cool mist and auto mode for bedroom, an aroma humidifier for baby room with BPA free and quiet, an aroma humidifier with humidistat and digital display, an aroma humidifier for living room with 6L and remote, an aroma humidifier with flame effect for TikTok trend, an aroma humidifier with volcano effect for desktop decor, an aroma humidifier with rain cloud design for bedroom, an aroma humidifier with wood grain and 7 colour light, an aroma humidifier for spa and yoga with essential oil, an aroma humidifier with timer and auto shut-off for safety, an aroma humidifier for bedroom with 23dB ultra quiet, an aroma humidifier with humidifier diffuser combo for home, an aroma humidifier for large room with 40 hour runtime, an aroma humidifier with sleep mode and night light for kids, an aroma humidifier for travel with USB-C and compact design and an aroma humidifier with essential oil and humidifier for bedroom are asking one question in different words: can the supplier produce the number after the sale.
• A manual with no local language version fails a retail chain audit, and the translation belongs in the tooling budget instead of the second order.
• A WiFi build with no FCC ID and no CE RED assessment is the same problem twice: the appliance file and the radio file are two separate documents and a broker asks for both.
• A plate swapped for a cheaper part between two production runs changes the noise without changing the model number, and a locked BOM in writing is the only defence.

None of the numbers above are hard to check, and a buyer does not need a laboratory. Five checks take an afternoon and cost nothing but a kitchen scale, a sound level meter, a stopwatch and a bottle of the oil you already sell:

1. Soak the tray: put a drop of your own citrus or tea tree blend on the oil tray and leave it for a week; a tray that crazes will craze in a customer's hand as well.
2. Run it dry: let the tank empty with the unit switched on and see whether it shuts itself off; a plate that keeps running dry is a warranty claim in the making.
3. Look for white dust: run an ultrasonic unit on hard water overnight over a dark surface, and the film in the morning is what a customer will photograph.
4. Open the tank mouth: if a hand and a brush do not go in, the unit will be returned dirty rather than cleaned, and that is a review problem rather than a product one.
5. Count the lights: switch every indicator off in a dark room, and whatever is still lit is what a nursery or hotel buyer will reject the unit for.

MistAirHome Aroma Humidifier OEM & ODM Services for Global Distributors and Brands

MistAirHome runs OEM and ODM programs for buyers who want their own aroma humidifier line without building a factory and without guessing at which plastics an essential oil will attack. Customization covers:

• Shell and finish: Pantone color matching, matte, gloss, soft touch or wood grain coating, and logo by printing, laser or a metal badge, from 500 units
• Water and scent system: tank volume, mouth width, fill method, mist plate grade, output steps, oil tray material and the seal specification for the leak test
• Connected hardware: WiFi module choice, antenna layout, humidistat sensor tolerance, control panel, display type and the voice control build where a buyer asks for it
• Software behaviour: app screens, mist steps, timer presets, light colour order, night mode dimming, schedule logic and indicator behaviour
• Retail pack: box structure and artwork, manual languages, a quick start card for the oil tray, spare aroma pads in the box, and carton marking tested for parcel handling

Product Introduction: MistAirHome Essential Oil Humidifier

For distributors and brand buyers who need an aroma humidifier that lives up to its box claim, the ME-EO20 is built around a mist output with a fine droplet size that settles without wetting a tabletop and keeps an oil path with a drip lip so a spill never reaches the board, and ships with per-lot output, noise and scent records that survive a buyer's own bench test.

At a glance: the ME-EO20 carries a 500 ml tank, puts out up to 35 ml per hour on the high step, runs about 18 hours per fill on the night step, measures 21 dB at one metre on the night step and 26 dB on the high step, and covers roughly 20 square metres.

Core Features:

• Shenzhen production base: one 10,000-square-meter site holds injection molding, mist plate assembly, oil tray assembly and noise grading, so a housing change does not wait on an outside mould shop
• Compliance files per model: CE, CB, RoHS, REACH and UKCA documentation is kept for the exact model number a buyer orders, with CE RED and FCC ID records on the radio build, FCC Part 15 Subpart B for the non-radio channel, and UN38.3 and MSDS on every rechargeable build
• Fragrance paperwork: an IFRA conformity statement, an SDS per blend, CLP label artwork and a child-resistant closure specification are held per fragrance SKU, and UN1266 handling is documented where an oil travels with the unit
• Measurement discipline: output is measured in millilitres per hour on a weighed run, noise is graded at one metre, scent hours per pad are timed on a bench, runtime is timed on the low step and seals are leak tested, and the records travel with the lot
• Branding and packaging: shell color, finish, logo method, firmware behaviour, app name and icon, manual language and carton artwork are set per program, and the WEEE and EPR packaging data sheet is included
• Markets served: shipments leave for importers, retail chains, distributors, hotel and office buyers, promotional buyers and e-commerce sellers across Europe, North America, the Middle East, Asia Pacific, Africa and Latin America

Technical Specifications

Application Scenarios for Global Market

Certified Aroma Humidifier Manufacturing for Global Markets

Buyers shipping containers of aroma humidifiers need more than a price list and a photograph of a mood light. The production and QC flow below is what lets a distributor open a carton and trust what is inside:

• A 10,000-square-meter plant with in-house tooling, so a housing revision does not sit in another factory queue
• Appliance, radio and fragrance documents kept current, including CE RED 2014/53/EU, FCC ID records, FCC Part 15 Subpart B for the non-radio channel, IFRA and CLP files per oil and the EU Battery Regulation 2023/1542 paperwork where a cell is fitted
• A QC station that weighs a tank for output, grades dB at one metre, times scent hours per pad, leak tests every seal on a tilted surface and cycles every unit for 24 hours
• An oil compatibility bench that soaks tray and tank samples in the six blends a buyer sells most, because a cracked tray is a season of returns rather than a customer complaint

Lot samples from every production run are weighed for mist output in millilitres per hour, graded with a sound level meter at one metre, timed for scent hours per aroma pad, timed for runtime on the low step, leak tested on a tilted surface and drop-tested in the retail box before the cartons are sealed. A buyer can request those records with any order.

Why Choose MistAirHome as Your Aroma Humidifier OEM Manufacturer

When an importer compares MistAirHome with a trading supplier and a branded competitor, the differences that matter are usually the mist plate grade, the tray material and whether the fragrance carries real IFRA and CLP paperwork.

Aroma Humidifier OEM Process: From Inquiry to Shipment

An aroma humidifier OEM project carries the same commercial risk as any small appliance line, plus a fragrance risk on top, so the five gates stay: documentation, sample, customization, inspection and shipment, and they are not negotiable. A standard project then follows 8 steps:

1. Market and channel - tell us where the unit sells and at what shelf price, because the appliance certification, the fragrance labelling rule, the plug type, the manual language and the label format follow from that
2. Model shortlist - we propose three MistAir builds inside your price band, or we work backwards from a reference unit you ship to us
3. File check - read the CE and CB records, the CE RED and FCC ID files, the IFRA statement and the SDS for the oil, the dB grading and the timed runtime log for the exact model before any money moves
4. Spec lock - housing, tank, mist output, oil tray material, pad or stone, light, WiFi module, app wording, adapter, packaging and manual languages go into one written specification
5. Sample bench - weigh the output, grade the noise, time the scent, soak the tray in your blend, leak test the seal and drop the carton, then run the unit in your own channel for two weeks
6. Order release - commercial terms, Incoterms, lead time, OTA update ownership and the penalty clause are signed before tooling or production starts
7. Inspection - lot samples are measured, every unit is cycled on the 24-hour bench, and the carton is drop tested before packing
8. Delivery - cartons leave FOB, CIF or DDP with the lot records attached to the shipment

Commercial terms at a glance: stock models ship from 500 units with custom shell color, finish, logo, retail packaging and a white label app from the same quantity, and hardware changes such as tank capacity, mist output, oil tray material or WiFi module start at 1,000 units. Samples leave within 7-10 working days of a locked specification, first OEM production runs 30-35 days after sample approval and repeat orders run about 25 days. Standard packing is 32 units per export carton, which puts roughly 12,800 units in a 40HQ depending on the retail box, and the unit carries a 12-month warranty with DOA parts shipped free on the next order. Terms are FOB Shenzhen, CIF or DDP, with T/T 30/70 on the first order and L/C at sight available on container quantities. Most importers clear ultrasonic aroma humidifiers under HS 8509.80 as an electromechanical domestic appliance, while an essential oil shipped in the same carton is usually classified on its own line with UN1266 dangerous goods documentation, so both codes should be confirmed with your broker before the first shipment.

Customer Testimonials

These are not paid reviews; they are condensed from post-shipment feedback forms that MistAirHome buyers have sent after running a real sales season.

• Yusuf Demir (Office and Facility Supply Buyer, Istanbul, Turkey): "The desk build passed our own open plan test on a call, and the facility contract was renewed for a second year."
• Ingrid Bakker (Supermarket and Hypermarket Buyer, Rotterdam, Netherlands): "The leak test result came with the lot, and we have not had one damp carton claim since."
• Rafael Souza (Home Fragrance and Aroma Distributor, Sao Paulo, Brazil): "The weighed output matched our bench, which is not something we can say about the supplier we replaced."

Frequently Asked Questions

How quiet is it really, and how was the dB figure measured?

The ME-EO20 measures 21 dB at one metre on the night step and 26 dB on the high step, graded with a sound level meter in a quiet room rather than copied from a listing, which sits below a typical room background and is the figure to quote for a nursery, a light sleeper and a bedroom channel. A buyer can repeat the measurement on a sample in an afternoon.

How much mist does it put out, how long does one fill last, and will it leave white dust or a damp patch?

Up to 35 ml per hour on the high step, measured by weighing the tank before and after a timed run, and about 18 hours per fill on the night step with the 500 ml tank. The ME-EO20 is an ultrasonic cool mist build, and on hard water any ultrasonic unit can leave a fine mineral film on a dark surface, so a demineralization cartridge option and a droplet size that settles before it reaches a floor are how we keep that complaint down; a listing on this build should not claim white dust free in a hard water market, and a buyer whose channel has already seen that complaint should look at a mist-free evaporative line instead. Every tank seal is leak tested on a tilted surface before packing, which is the check that stops a damp patch claim rather than a product return.

Can I use any essential oil in it, and will the oil damage the unit or the paperwork?

Use a blend rather than a neat oil, two or three drops on the aroma pad at a time, and keep citrus and tea tree blends away from any tray that was not moulded for them. The ME-EO20 keeps the oil path clear of the mist plate and the board, the tray lifts out for a rinse, and the pad ships dry so no flammable liquid travels in the carton. On the paperwork side MistAirHome supplies an IFRA conformity statement, an SDS per blend, CLP label artwork under EC 1272/2008 for the EU and UK channel, a child-resistant closure under 16 CFR 1700 for the US channel and UN1266 dangerous goods documentation wherever an oil ships with the unit.

Does it have app control, WiFi and voice control, and does it work without the internet?

The WiFi build runs on a 2.4 GHz module with app control on iOS and Android, and voice control through Alexa and Google Home covers on, off, the mist step, the light and the timer, so a smart home compatible unit can join an evening scene. The schedule is written into the firmware, so a router restart or a lost connection leaves the unit running on its last routine rather than switching off, and the app reconnects on its own. A white label app under the buyer's own brand, an OTA firmware path owned by the buyer and a server region chosen for the destination market are part of the OEM program, which is what stops a supplier dispute from switching a buyer's units off.

What documentation comes with the unit, what claims do you refuse to print, and what is the MOQ?

CE under the Low Voltage Directive 2014/35/EU and the EMC Directive 2014/30/EU, CB scheme reports to IEC 60335-1 and IEC 60335-2-98, RoHS, REACH and UKCA files for the exact model, CE RED 2014/53/EU on every radio build, FCC Part 15 Subpart C with an FCC ID on WiFi models and Subpart B records for the non-radio US channel, plus UN38.3 transport reports with MSDS on every rechargeable build. MistAirHome does not print a medical or therapeutic claim on an aroma humidifier or on an essential oil, so a buyer asking for wording about allergies, sinus, cough, cold, flu, asthma, skin, dry eyes, congestion, snoring or hot flashes gets a straight answer: those queries are answered with measured attributes such as mist output, hours per fill, scent hours per pad, coverage and noise, and nothing more. Custom shell color, finish, logo, retail packaging and a white label app start from 500 units, while tank capacity, mist output, oil tray material or WiFi module can be specified from 1,000 units, samples leave within 7-10 working days, and the unit carries a 12-month warranty with DOA parts shipped free on the next order.

Project Summary

Key result: By working directly with manufacturer MistAirHome, the Hotel and Hospitality Supply Buyer team in San Jose reached 37 percent higher margins on its aroma humidifier line while keeping retail prices competitive. Delivering a 500 ml tank with a 35 ml per hour output, 21 dB at one metre on the night step, an oil path kept clear of the plate, real appliance, radio and fragrance certification files, a leak tested seal, timed scent hours per pad and flexible OEM customization, and a factory that answers technical questions in hours, MistAirHome has become their trusted aroma humidifier manufacturing partner.

Next step: send the target price band, the channel and the first order quantity, and the technical team answers with a model shortlist, a sample plan and the certificate files for the exact model.

For more information: www.mistairhome.com | Export Service Hotline: +8613261677119 | Email: Mistairhome@163.com

• Shenzhen HQ: Wanlin Group, Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China