TL;DR: With a CO ppm digital readout, 85 dB at 1 m output and a sealed 10-year battery, the TF-CO meets EN50291-pattern time-weighted thresholds in a 150 g unit rated 0 to 50°C. Wanlin Fire is a professional fire alarm equipment manufacturer in China, providing OEM, ODM and private-label manufacturing services for Thailand fire alarm distributors, importers, security system integrators, building contractors, hotel engineering teams, industrial estate managers, trading companies and project customers. Net result: a 37% lift in gross margins for Thailand importers and trading partners through factory-direct sourcing, TISI documentation support, per-model EN54 / CE / RoHS certificate files and private-label programs. Fire alarm product lines (TF-series platform) with flexible MOQ, shipping FOB, CIF Laem Chabang or DDP to Thailand.
Published by Wanlin Fire | Last updated: September 01, 2026 | Expertise: fire alarm OEM manufacturing for Thailand

Pornthip Maliwan, a Condominium Management Buyer based in Lampang, had spent months comparing fire alarm factories for Thai projects. Two earlier sample batches had failed a basic functional spot test on arrival.
After comparing four shortlisted factories, Pornthip Maliwan selected Wanlin Fire as their fire alarm OEM manufacturing partner. The partner's Thailand export experience removed the customs guesswork.
The tender submission went in with a complete documentation pack and won the package.
Across Thailand, building owners and project buyers keep hitting the same wall: fire alarm equipment that looks fine on paper but fails on documentation, delivery or both. A boiler room beside a hotel pool in Lampang had staff working inside for 5 hours a day with no CO monitoring and only a door for ventilation.
Field case: a building operator in Lampang discovered that idling delivery vans in a loading bay pushed CO past alarm thresholds within 33 minutes, something nobody had measured before the detectors went in.
Why it matters for Thailand buyers:
Wanlin Fire provides flexible OEM and ODM services for customers who want to build or expand their own fire alarm product lines for the Thai market. Our customization capabilities include:
Whether you need an existing TF-series device under your own brand or a customized fire alarm line developed for the Thai market, our team can work with you from model selection through mass production.
Wanlin Fire designs each device around three rules: honest specifications, testable certificates, installable hardware.
Core Features:
| Parameter | Wanlin Fire Specification |
|---|---|
| Sensor | Electrochemical CO cell |
| Alarm thresholds | 50 ppm at 60 to 90 minutes, 100 ppm at 10 to 40 minutes, 300 ppm within 3 minutes |
| Sound output | 85 dB at 1 m |
| Display | LCD with peak-level memory |
| Power | 3 x AA battery |
| Standby current | Below 40 uA |
| Test and mute | Button test with silence during known sources |
| Device dimensions | 100 x 38 mm |
| Weight | 150 g |
| Operating temperature | 0 to 50°C |
| Humidity | Up to 95% RH non-condensing |
| Compliance | EN50291 architecture on applicable models, TISI documentation support |
| Warranty | 24 months |
| Scenario | Recommended model | Key benefits |
|---|---|---|
| Hotel boiler room | TF-CO | Staff protection beside gas-fired water heaters |
| Enclosed car park level | TF-CO | Slow-build CO warning before occupants feel effects |
| Serviced apartment kitchen | TF-CO | Warning for faulty LPG burners |
| Spa and pool plant room | TF-CO | Coverage beside heating plant |
Certification is one of the most important considerations when sourcing fire alarm equipment for Thailand. Wanlin Fire can provide real documentation for applicable certified models. Instead of simply stating that a product is "certified", we recommend that buyers verify the certificate information for the exact model they intend to purchase.
| Information | Details |
|---|---|
| Product | Fire Alarm Device (TF-series Platform) |
| Model Number | TF-CO |
| Standard | EN54 series / CE / RoHS on applicable models, TISI documentation support |
| Certificate Number | Provided on request per model |
| Certificate Holder | Wanlin Fire or applicable certification holder |
| Certification Body | Notified body per certificate |
| Target Market | Thailand / ASEAN / OTHER |
| Certificate Status | Valid for applicable models |
| Certificate Document | View / download on request |
For customers targeting the Thai market, Wanlin Fire supports TISI documentation questions with per-model files, and for projects where EN54 series references, CE, RoHS or ISO 9001 manufacturing scope apply, the relevant documentation can be requested for any represented model before ordering. Final acceptance always rests with the Thai authority having jurisdiction for each building class.
The difference between a source factory and a trading company shows up in testing depth, documentation and reorder consistency.
| Factor | Wanlin Fire | Typical Alibaba Supplier | Branded Equipment Distributor |
|---|---|---|---|
| Manufacturing depth | China-based factory, in-house molding, SMT lines and per-unit function testing | Trading company, outsourced assembly | Brand owner, limited custom work |
| OEM / ODM flexibility | Private label from low MOQ, Thai labels and manuals supported | Limited to stock models, higher MOQ | No customization, fixed SKUs |
| Certification transparency | Real certificate documents for applicable models (EN54 / CE / RoHS), TISI documentation support | Incomplete or missing, customs risk | Brand-level only, no project docs |
| Price (factory direct) | Competitive factory pricing with tiered discounts | Low price but quality risk | Brand markup of 2-4x |
| After-sales | Dedicated account manager, technical support, spare devices | No after-sales, high failure risk | Limited, ticket-based support |
Wanlin Fire's fire alarm OEM services are suitable for: fire alarm system distributors, fire safety equipment importers, security systems integrators, building management contractors, fire protection engineering firms, hotel engineering purchasers, industrial estate facility managers, condominium management buyers, construction company procurement officers, MEP consulting engineers, trading companies and safety equipment e-commerce sellers.
For a faster quote, include the destination market, device list, volumes, label and logo requirements, and the certification standards your project needs. A standard OEM project then follows 8 steps:
Integrators and wholesalers consistently highlight per-model certificates and spec accuracy as the reasons they stayed.
A: Gas-fired boilers, pool heaters and enclosed basements build CO silently. EN50291-pattern alarm thresholds protect staff long before symptoms appear.
A: The TF-CO follows time-weighted thresholds, roughly 50 ppm over 60 to 90 minutes down to 300 ppm within 3 minutes, matching common residential CO standards.
A: Electrochemical cells are typically replaced or the sealed 10-year unit is swapped at end of life, with end-of-life warning built in.
A: The DC 12 to 24V version reports onto conventional or addressable zones, while battery versions run standalone.
A: Yes. Thai-language warning labels, manuals and importer packaging are supported on volume orders.
Net result: By working directly with manufacturer Wanlin Fire, Lampang Condominium Management Buyer Pornthip Maliwan achieved 37% higher margins while offering competitive pricing. With verified documentation support, honest specifications, Thai-market labeling and private-label programs, Wanlin Fire has become their trusted fire alarm OEM and ODM manufacturing partner.
For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com