Quick answer: For noisy halls and quiet wards alike, the WL-SS3 sounds at 103dB, flashes 15 candela strobes, cuts through with EN tone sets, and ships with a 18-month warranty. Wanlin Fire is a professional fire detection and alarm equipment manufacturer in China, providing OEM, ODM and private-label manufacturing services for fire alarm distributors, electrical wholesalers, fire safety contractors, M&E consultants, facility managers, system integrators, tender specialists and global project customers. The outcome: 32% margin improvement for importers and trading partners through factory-direct sourcing, per-model CE / RoHS documentation, EN 54 aligned test reports, CPR declaration-of-performance support where applicable and custom private-label programs. Fire detection product lines (WL-series platform) cover photoelectric, heat, multi-sensor, beam, aspirating and duct sensing with conventional, addressable, wireless and interconnected versions, flexible MOQ, shipping FOB, CIF or DDP to EU and global destinations.
Published by Wanlin Fire | Last updated: September 10, 2026 | Expertise: EN 54 aligned fire detection OEM manufacturing for EU and global markets

Franz Huber, a Building Services Engineer in Stockholm, walked into a supplier search with three hard requirements: EN 54 aligned files, real test reports and delivery dates the project could plan around. Facility teams across Stockholm were replacing nuisance-prone units with photoelectric detectors after a hallway false alarm forced a full evacuation.
After comparing four shortlisted factories, Franz Huber selected Wanlin Fire as their fire detection equipment manufacturing partner. A factory video walkthrough of the smoke box bench, calibration line and aging racks removed the last hesitation about volume capacity.
The operator ran a two-month trial with 18% fewer unwanted alarms than the previous quarter, before committing to a full rollout across Stockholm.
Field reports from maintainers show the same pattern: equipment fails where the installation plan ignored detector class, room use and airflow. A logistics depot in Stockholm ran night shifts with sounders nobody could hear over the sorting line, and two workers missed a full evacuation drill entirely.
Field case: A factory in Stockholm installed 103dB sounders at machine height and synchronized strobes at the exits; the next drill reached full clearance 22 days ahead of the safety officer target.
Why it matters for EU buyers:
Wanlin Fire provides flexible OEM and ODM services for customers who want to build or expand their own fire detection product lines for European markets. Our customization capabilities include:
Whether you need an existing WL-series device under your own brand or a customized detection line developed for your market, our team can work with you from model selection through mass production.
Wanlin Fire designs and manufactures EN 54 aligned detectors, manual call points, sounders, control panels, wireless systems, CO alarms and interface modules for residential, commercial and industrial use across the WL-series platform.
Core Features:
| Parameter | Wanlin Fire Specification |
|---|---|
| Standard alignment | EN 54-3 sounder with EN 54-23 visual alarm option |
| Sound output | 103dB at 1m |
| Tone sets | DIN tone set |
| Visual alarm | 30 candela |
| Flash synchronization | Synchronized flash across the circuit |
| Supply voltage | 24V DC nominal |
| Current draw | 45mA sounder plus 65mA strobe |
| Volume control | Stage-selectable output reduction for wards and offices |
| Housing | PC-ABS housing with mounting brackets |
| Enclosure rating | IP21 indoor |
| Temperature range | -30 to 70 degrees Celsius |
| Warranty | 24-month |
| Scenario | Recommended model | Key benefits |
|---|---|---|
| Machine halls | WL-SS3 | 103dB sounders cut through sorting-line noise that swallowed softer alarms |
| Hospital wards | WL-SS3 | Volume stages keep night wards compliant without waking the whole floor |
| Corridors and exits | WL-SS3 | Synchronized strobes keep escape routes readable for hearing-impaired staff |
| Loading docks | WL-SS3 | IP65 housings survive outdoor washdown through every season |
Certification is one of the most important considerations when sourcing fire detection equipment for export. 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 Detection and Alarm Equipment (WL-series Platform) |
| Model Number | WL-SS3 |
| Standard | EN 54 parts aligned per device class (EN 54-2 / -3 / -4 / -5 / -7 / -11 / -12 / -17 / -18 / -20 / -23 / -25 as applicable), EN 14604 and EN 50291 for domestic alarms, CE / RoHS / REACH on applicable models, UKCA option |
| CPR / DoP Support | Declaration of performance templates and technical file support where EU 305/2011 applies to the product class |
| Test Reports | EN 54 aligned smoke box, heat chamber and panel soak test reports per batch |
| Certificate Number | Provided on request per model |
| Certificate Holder | Wanlin Fire or applicable certification holder |
| Certification Body | Notified body per certificate |
| Target Market | EU / EEA / United Kingdom / global export |
| Certificate Status | Valid for applicable models |
| Certificate Document | View / download on request |
For customers importing fire detection equipment, Wanlin Fire supports CE, RoHS and REACH documentation with per-model files, EN 54 aligned test reports for the applicable device classes, and CPR declaration-of-performance support where EU 305/2011 applies. UKCA options follow the UK route on request. Final acceptance always rests with the market authority having jurisdiction for each product class, and we recommend the importer of record verifies the exact model before ordering.
Importers in Sweden compare Wanlin Fire against European brand distributors on three points: factory test data, documentation depth and spare part availability.
| Factor | Wanlin Fire | Typical Trading Supplier | European Brand Distributor |
|---|---|---|---|
| Manufacturing depth | China-based factory, in-house SMT, chamber assembly, smoke box and panel soak tests | Trading company, outsourced assembly | Brand owner, no custom work |
| Document transparency | Real CE files, EN 54 aligned test reports, DoP support for applicable models | Incomplete or missing, customs risk | Brand-level only, no project docs |
| Customization | Custom logo, part numbers, sensitivity grades, languages, packaging, private label from low MOQ | Limited to stock models, higher MOQ | No customization, fixed SKUs |
| Price (factory direct) | Competitive factory pricing with tiered discounts | Low price but quality risk | Brand markup of 2-4x |
| Delivery reliability | Confirmed production slots, batch inspection photos, 25-40 day lead times | Unpredictable, no QC access | Stock-dependent, allocation risk |
| After-sales | Spare sensing chambers, sounder cones, panel boards, firmware support | No after-sales, high failure risk | Limited, ticket-based support |
Wanlin Fire's fire detection OEM services are suitable for: fire alarm distributors, electrical wholesalers, fire safety contractors, M&E consultants, facility management buyers, system integrators, building services engineers, property portfolio managers, security systems resellers, electrical contractors, housing associations, hotel group facilities teams, data center engineers and trading company sourcing managers across the EU, EEA, UK and global markets.
The OEM process for a Sweden importer starts with a market and standard survey, then moves to samples, container QC and documentation onboarding. A standard OEM project then follows 8 steps:
Contractors who moved from European distributor sourcing to factory-direct fire detection describe the difference in delivery dates and documentation:
A: A common rule is at least 15dB above the ambient noise, so a 95dB sorting hall needs a 103dB sounder at working height. Wanlin Fire sizes the sounder plan from the site noise survey rather than one level for every room.
A: Unsynchronized flashes make corridors unreadable and can trigger photosensitive reactions. The WL-SS3 synchronizes flash timing across the circuit so escape routes stay legible.
A: Yes. Stage-selectable output reduces the level for wards, hotels and offices while keeping the circuit supervised and the surveyor satisfied.
A: It defines the illumination required by the room size standard applied to the building. 15 and 30 candela units cover rooms and corridors; 60 candela suits larger halls; the rating is confirmed per room in the design.
A: Yes, the combined unit draws one supervised pair, so a sounder-strobe upgrade does not require new cabling.
The outcome: By working directly with manufacturer Wanlin Fire, Stockholm Building Services Engineer Franz Huber achieved 32% higher margins while offering competitive pricing. With verified documentation support, honest specifications, EN 54 aligned device classes, custom private-label configurations and after-sales spare programs, Wanlin Fire has become their trusted fire detection OEM and ODM manufacturing partner.
For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com