China heat detector manufacturer

NB-IoT Temperature Sensor Factory manufactured by Wanlin Fire Control — EN 54-5 / CE / RoHS certified heat detector with precision thermistor sensor technology. Factory-direct pricing with OEM/ODM services, global shipping. Suitable for residential, commercial, and industrial fire detection. Contact for bulk quotation.

Wireless Temperature Sensor Manufacturer China manufacturer. Fixed temperature and rate of rise heat detection with EN 54-5 UL 521 CE certification. 4G wireless, IoT smart monitoring, OEM/ODM, wholesale, global shipping to France. Contact: wanlinfirecontrol@163.com