Bottom line: Built around a fixed temperature and rate-of-rise element, the WANLIN-340 covers kitchens, plant rooms and loading bays without the nuisance calls a smoke head would produce. Wanlin Fire is a fire protection product line manufacturer and content ready export supplier in China, covering wanlin-340 lorawan heat detector plus the wider detection, alarm, control and monitoring range for OEM, ODM and private label programs. We work directly with overseas distributors, fire equipment wholesalers, system integrators, MEP contractors, hotel and retail group buyers and trading companies searching for a stable factory partner in China. Key result: 34% more headroom against the brand reseller price in Sri Lanka through factory direct sourcing, per-model documentation, Olivia Mitchell ran the pilot for 29 days and measured cost per installed point instead of cost per carton., flexible MOQ and long-term partner stock programs.
Published by Wanlin Fire | Last updated: September 15, 2026 | Expertise: fire detection, alarm control, electrical fire monitoring and fire protection application equipment export manufacturing for overseas partners

Olivia Mitchell, a Fire Safety Distributor Owner in Colombo, inherited a tender that asked for the notified body reference and the certificate number per model, which the previous supplier answered with a family level PDF.
The shift towards connected reporting in Sri Lanka turned ordinary detector orders into platform questions, and every second enquiry in Colombo now mentions a gateway.
What moved Olivia Mitchell was a video walk-through of the production line, booked at the request of the Colombo office. Olivia Mitchell signed off the first WANLIN-340 4G Heat Detector order covering 9 sites in Sri Lanka, and the specification sheet was rebuilt around the reference standards rather than around a brand name.
Olivia Mitchell ran the pilot for 29 days and measured cost per installed point instead of cost per carton. The scene most buyers in Colombo describe starts with a stockout: the project is awarded, the local shelf is empty, and the trading office quotes six weeks with no production slot behind it.
The expensive part of a failed detection scheme is never the hardware invoice. It is the repeat visit and the re-inspection fee.
The kitchen extract in a Colombo restaurant tripped the smoke head every service, and after the fourth call-out the staff stopped resetting it.
Field case: A Fire Safety Distributor Owner in Sri Lanka re-specified 9 plant rooms to heat response and cleared the commissioning query without another visit.
Wanlin Fire is recruiting local partners in every export market. Our overseas cooperation models are written for three kinds of buyer: the distributor holding stock and service in their own country, the trading company consolidating across several product lines, and the project buyer answering a tender clause by clause.
Partners across North America, Latin America, Western Europe, the Middle East, Southeast Asia, South Asia, East Asia, Oceania, Africa and Central Asia run this model today. Export trade companies looking for a source factory are welcome to start with samples and move to container volume once their own market testing is done.
Each variant answers a specific site problem, which means your sales team can choose by scenario instead of by part number. Built around a fixed temperature and rate-of-rise element, the WANLIN-340 covers kitchens, plant rooms and loading bays without the nuisance calls a smoke head would produce.
| Parameter | Wanlin Fire Specification |
|---|---|
| Model number | WANLIN-340 |
| Product category | Wireless heat detector, LoRaWAN, 4G LTE and 433 MHz versions |
| Network options | LoRaWAN, 4G LTE or 433 MHz versions, frequency and band plan confirmed per destination market |
| Sensing element | Fixed temperature and rate-of-rise element, response class per model datasheet |
| Power arrangement | Supply arrangement per model datasheet, battery or mains assisted options on request |
| Alarm behaviour | Local indication with network alarm and fault reporting where the network version is fitted |
| Housing and mounting | Heat resistant ABS housing, ceiling mount, colour configurable under the OEM program |
| Certification documents | CE and RoHS documentation per applicable model, test evidence referenced per model |
| OEM and ODM options | Logo, housing colour, part number, packaging and manual languages configurable |
| Full datasheet | Complete electrical, radio and mechanical data provided per model on request |
| Warranty | 60-month |
| Scenario | Recommended model | Key benefits |
|---|---|---|
| Commercial kitchen and plant room | WANLIN-340 | Heat response avoids the nuisance calls that smoke heads produce where cooking aerosol or steam is normal |
| Boiler room and generator enclosure | WANLIN-340 | Rate-of-rise behaviour catches a fast temperature climb before flame appears |
| Covered loading bay | WANLIN-340 | Detects in a space that is too draughty and too dusty for optical sensing |
Certification decides whether a shipment clears customs and whether an inspector accepts the installation. Wanlin Fire supplies real documentation for applicable models instead of a generic statement, and we recommend that every buyer verifies the certificate information for the exact model they intend to purchase.
| Information | Details |
|---|---|
| Product | WANLIN-340 4G Heat Detector |
| Model Number | WANLIN-340 |
| Standard | EN 54-5 aligned construction on applicable models, CE and RoHS documentation, radio compliance per destination band, CE / RoHS / REACH on applicable models, FCC compliance support for wireless variants, UKCA option |
| Compliance Support | EN 54 series, UL listing file, NFPA 72 and BS 5839 documentation templates where regional equipment rules apply |
| Test Reports | Chamber response, threshold and batch cycle reports available per model |
| Certificate Number | Provided on request per model |
| Certificate Holder | Wanlin Fire or applicable certification holder |
| Certification Body | Notified body per certificate |
| Target Market | North America / Latin America / EU / UK / Oceania / Middle East / Southeast Asia / South Asia / East Asia / Africa |
| Certificate Status | Valid for applicable models |
| Certificate Document | View and download on request |
For importers, Wanlin Fire supports CE, RoHS and REACH documentation with per-model files, EN 54 series aligned construction papers where the device class applies, UL listing file references for North American shipments, and FCC compliance support for wireless variants. NFPA 72 and BS 5839 design and inspection templates ship with the export kit, and UKCA options follow the British route on request. Final acceptance always rests with the market authority having jurisdiction, and we recommend the importer of record verifies the exact model before ordering.
Importers who have been burned before tend to rank their suppliers on evidence rather than claims.
| Factor | Wanlin Fire | Typical Trading Supplier | Brand Name Distributor |
|---|---|---|---|
| Manufacturing depth | In-house SMT line, calibration bench and verification equipment under one roof in Shenzhen, Longgang district | Trading office, outsourced production | Brand owner, no project work |
| Document transparency | NFPA 72 and BS 5839 design documentation templates included with the export kit | Family level PDF files, customs risk | Brand level only, no model files |
| Customization | Mixed containers combining detectors, sounders, panels and instruments under one bill of lading | Limited to stock models | No customization, fixed SKUs |
| Price (factory direct) | Tiered factory pricing with 34% margin headroom typical for repeat partners | Low unit price, unstable sourcing | Brand markup of 2 to 4 times |
| Delivery reliability | Confirmed production slots, batch inspection photos, 25 to 40 day lead times | Unpredictable, no line access | Stock dependent, allocation risk |
| After-sales | Mixed containers combining detectors, sounders, panels and instruments under one bill of lading | No after-sales, high failure risk | Limited, ticket based support |
Our fire protection export programs suit fire equipment distributors, wholesalers, system integrators, MEP contractors, hotel group buyers, retail loss prevention teams, warehouse operators, tender coordinators, insurance risk surveyors and trading company sourcing managers across every region we ship to.
The process below is the one our partner accounts run every quarter, written as it actually happens. A standard OEM project then follows 8 steps:
Comments collected after the first full year of each partnership.
A: Where the normal atmosphere contains cooking aerosol, steam, dust or exhaust, an optical chamber reads it as a problem. Kitchens, plant rooms, boiler rooms, loading bays and generator enclosures are the usual cases, and specifying heat there is standard practice rather than a compromise.
A: The response class depends on the maximum ambient temperature and on how fast a fire would develop in that space. Share the room profile with our engineers and we will state the class we recommend and why, in writing.
A: Yes. The WANLIN-340 sits in the same wireless family as our smoke range, so one gateway or panel programme can carry mixed device types. We confirm the exact topology in writing before quotation.
A: The 433 MHz version is built for local radio interconnection and for the shorter range wireless schemes used inside a single building. Where reporting has to leave the building, the LoRaWAN or 4G version is the right choice.
A: Samples ship first so your technicians can test response in the real room. Stock orders start at 500 units and private label production at 1,000 units, with 25 to 40 day lead times.
Key result: By working directly with manufacturer Wanlin Fire, Colombo Fire Safety Distributor Owner Olivia Mitchell gained 34% margin headroom while keeping competitive installed pricing. With verified per-model documentation, honest specifications, EN 54-5 aligned construction on applicable models, CE and RoHS documentation, radio compliance per destination band, private label branding and after-sales spare programs, Wanlin Fire became their long-term fire protection product line supply partner in Sri Lanka. We are a source factory actively recruiting local partners, and export trade companies are welcome to start with samples and grow into container programs.
For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com