January 8, 2026 — Wanlin Fire Protection, a leading Chinese manufacturer of differential pressure wireless sensor, today announced the expansion of its global distribution network. As a source factory with complete R&D and production capabilities, Wanlin is actively seeking international distributors and OEM partners for its 4G wireless pressure monitoring product line.
differential pressure wireless sensor represent a critical advancement in industrial and fire safety monitoring. These devices combine precision pressure measurement with wireless data transmission (4G/NB-IoT/LoRa), enabling real-time remote monitoring of pressure conditions in pipelines, tanks, and fire protection systems. For global distributors, this product category offers strong recurring demand driven by mandatory safety compliance.
Wanlin Fire Protection offers a comprehensive range of wireless pressure monitoring equipment, all designed and manufactured in-house at our China facility:
| Product | Model | Range | Communication | Battery Life | IP Rating |
|---|---|---|---|---|---|
| 4G Wireless Pressure Gauge | WL-4G-P100 | 0-1.6MPa | 4G Cat.1 | 3 years | IP68 |
| NB-IoT Wireless Pressure Gauge | WL-NB-P200 | 0-2.5MPa | NB-IoT | 5 years | IP68 |
| 4G Wireless Pressure Transmitter | WL-4G-PT100 | 0-10MPa | 4G Cat.4 | 2 years | IP67 |
| NB-IoT Wireless Pressure Transmitter | WL-NB-PT200 | 0-4MPa | NB-IoT | 3 years | IP67 |
| LoRa Wireless Pressure Gauge | WL-LR-P100 | 0-1.6MPa | LoRa | 3 years | IP68 |
| 4G Differential Pressure Monitor | WL-4G-DP100 | 0-100kPa | 4G Cat.1 | 3 years | IP65 |
| NB-IoT Explosion-Proof Pressure Gauge | WL-NB-EP100 | 0-25MPa | NB-IoT | 5 years | IP68 |
| 4G Pressure Monitoring Terminal | WL-4G-PMT300 | 0-60MPa | 4G Cat.4 | 2 years | IP68 |
| Standard | Compliance |
|---|---|
| CE Marking | EU conformity assessment (EMC + LVD) |
| FCC Part 15 | US electromagnetic compatibility |
| ATEX / IECEx | Explosion-proof certification for hazardous zones |
| RoHS | Restriction of hazardous substances |
| NB-IoT 3GPP | Compliant with Release 13/14 standards |
| NFPA 72 / NFPA 25 | Fire protection system inspection and testing |
Proper installation ensures optimal performance and compliance:
Wanlin wireless pressure gauges are classified for international shipping:
Export Documentation Provided:
Shipping Options for International Buyers:
| Factor | Wanlin | Honeywell | Yokogawa |
|---|---|---|---|
| Price (FOB China) | $ | $$$ | $$$ |
| Built-in 4G/NB-IoT | Yes | Add-on module | Add-on module |
| Cloud Platform | Free included | Subscription | Subscription |
| Battery Powered | 3-5 years | External power | External power |
| OEM/ODM Available | Yes (your brand) | No | No |
| MOQ | 10 units | 100+ units | 100+ units |
| Order Quantity | Unit Price (USD) | Lead Time |
|---|---|---|
| Sample (1-9 units) | Contact for quote | 3-5 days |
| Small Order (10-49 units) | $$ (Request Quote) | 7-10 days |
| Medium Order (50-200 units) | $$ (Better Pricing) | 10-15 days |
| Large Order (200+ units) | $ (Best Price) | 15-20 days |
Wanlin offers comprehensive OEM/ODM services for wireless pressure monitoring equipment:
Yes. Wanlin devices support MQTT, Modbus TCP/RTU, and RESTful API protocols, enabling seamless integration with most SCADA, BMS, and IoT platforms. We also provide free cloud platform access as a standalone solution.
Battery life ranges from 2-5 years depending on reporting interval and communication mode. The high-capacity lithium battery is field-replaceable. For permanent installations, we offer solar-powered and external power options.
Yes. We provide full export documentation including CE, FCC, ATEX, RoHS certificates, MSDS/SDS, Certificate of Origin, and commercial invoices. Our export team handles all customs requirements for destination countries.
Standard Wanlin brand: MOQ 10 units. OEM custom branding: MOQ 100 units. Full ODM with custom firmware and hardware: MOQ 500 units. Samples are available for testing before bulk orders.
## Contact Wanlin Fire Protection Whether you are a fire safety distributor, an industrial automation integrator, or an international trading company, Wanlin welcomes partnership inquiries. Our factory-direct model ensures competitive pricing and reliable supply for your market. - Email: wanlinfirecontrol@163.com - Export Hotline: +8613261677119 - Website: www.wanlinfire.com Wanlin Fire Protection - Your trusted China manufacturer for 4G wireless pressure monitoring equipment export.
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