Quick answer: The WANLIN-307 is our standalone wireless smoke detector offered in LoRaWAN, 4G LTE and NB-IoT versions, so one mechanical design serves three network strategies. Wanlin Fire is a fire protection product line manufacturer and content ready export supplier in China, covering wanlin-307 lorawan smoke 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: a 31% improvement in gross margin on every repeat order through factory direct sourcing, per-model documentation, Samples were field tested for 29 days across two occupied buildings before anyone discussed pricing., 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

Marie Laurent, an Engineering Procurement Contractor in Beirut, opened the sourcing file with three fixed points: verifiable documents, a production slot that holds and one engineer who answers mail the same day.
Public tenders in Lebanon now score the documentation pack next to the unit price, so the cheapest bid without test evidence loses on the evaluation sheet.
After three rounds the choice was between a trading office with a lower invoice and a factory that could name its SMT line and calibration bench. Marie Laurent signed off the first WANLIN-307 4G Smoke Detector order covering 28 sites in Lebanon, and the specification sheet was rebuilt around the reference standards rather than around a brand name.
Samples were field tested for 29 days across two occupied buildings before anyone discussed pricing. For a distributor in Beirut the decision meeting is short. Two columns on one page: landed cost per unit against the risk of a rejected inspection.
The expensive part of a failed detection scheme is never the hardware invoice. It is the repeat visit and the re-inspection fee.
An Engineering Procurement Contractor in Beirut manages 28 small offices where no panel and no local network exists, and the only reporting route is the public cellular network.
Field case: After 29 days of field testing the Beirut team signed for the version their operator tariff favoured, not the one the catalogue pushed.
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.
The product exists because field teams kept asking for the same three things in different words. The WANLIN-307 is our standalone wireless smoke detector offered in LoRaWAN, 4G LTE and NB-IoT versions, so one mechanical design serves three network strategies.
| Parameter | Wanlin Fire Specification |
|---|---|
| Model number | WANLIN-307 |
| Product category | Standalone wireless smoke detector, LoRaWAN, 4G LTE and NB-IoT versions |
| Network options | LoRaWAN, 4G LTE or NB-IoT versions, frequency and band plan confirmed per destination market |
| Sensing element | Photoelectric smoke chamber with drift compensation |
| Power arrangement | Battery powered standalone unit, cell type and service life per model datasheet |
| Alarm behaviour | Local sounder and indicator plus network alarm reporting to the receiving platform |
| Housing and mounting | ABS housing, ceiling mount, housing colour configurable under the OEM program |
| Certification documents | CE and RoHS documentation per applicable model, radio compliance files for the destination band |
| OEM and ODM options | Logo, housing colour, part number, packaging, manual languages and platform labelling configurable |
| Full datasheet | Complete electrical, radio and mechanical data provided per model on request |
| Warranty | 24-month |
| Scenario | Recommended model | Key benefits |
|---|---|---|
| Distributed small sites with no local panel | WANLIN-307 | Each unit reports over the public or private network, so a remote office needs no on-site control equipment |
| Social housing retrofit programme | WANLIN-307 | Wireless reporting removes the van cost of manual battery inspection rounds |
| Warehouse and storage unit estate | WANLIN-307 | Alarm and fault events reach the duty phone instead of waiting for the next site walk |
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-307 4G Smoke Detector |
| Model Number | WANLIN-307 |
| Standard | EN 14604 aligned construction on applicable models, CE and RoHS documentation, radio compliance files 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.
Buyers comparing suppliers usually end up weighing the same four factors: document traceability, price stability, technical response and after-sales parts.
| Factor | Wanlin Fire | Typical Trading Supplier | Brand Name Distributor |
|---|---|---|---|
| Manufacturing depth | Production records kept per batch, with batch inspection photos before container loading | Trading office, outsourced production | Brand owner, no project work |
| Document transparency | UKCA route supported per applicable model where the customer requests the British paperwork | Family level PDF files, customs risk | Brand level only, no model files |
| Customization | Spare parts and accessory packs held per program, including bases, covers and fixings | Limited to stock models | No customization, fixed SKUs |
| Price (factory direct) | Tiered factory pricing with 31% 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 | Spare parts and accessory packs held per program, including bases, covers and fixings | 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.
A first cooperation follows eight steps, and none of them require you to trust a brochure. A standard OEM project then follows 8 steps:
Three partner accounts from comparable markets, quoted with permission and shortened for length.
A: It depends on what exists at the site. LoRaWAN suits estates with a gateway already installed or planned, 4G suits scattered sites with good cellular cover and no gateway, and NB-IoT suits markets where the operator tariff for low volume metering traffic is the cheapest of the three. Tell us the site profile and we quote the matching version.
A: The 4G version carries a SIM slot and reports on a low volume data profile. The plan is normally arranged by the local partner or by the site owner, which keeps the contract in the country where the devices operate.
A: Yes. The reporting interface and payload format are documented so your software team or your existing monitoring provider can ingest the alarm, fault and status messages. Integration details are provided per model on request.
A: The unit reports a low battery status over the same network path as the alarm, so the replacement is planned work rather than a resident complaint. Cell type and expected service life are stated in the model datasheet.
A: Sample orders start small so you can test the network behaviour in your own market. Private label production with your logo, carton and manual languages starts at 1,000 units, with 25 to 40 day lead times after specification sign-off.
Key result: By working directly with manufacturer Wanlin Fire, Beirut Engineering Procurement Contractor Marie Laurent gained 31% margin headroom while keeping competitive installed pricing. With verified per-model documentation, honest specifications, EN 14604 aligned construction on applicable models, CE and RoHS documentation, radio compliance files per destination band, private label branding and after-sales spare programs, Wanlin Fire became their long-term fire protection product line supply partner in Lebanon. 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