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custom fire equipment development, tailored fire safety products, OEM fire device manufacturing, bespoke fire alarm solutions, customized fire detection systems+8613261677119
First Alert Gas Detector Alternative China manufacturer. 4G gas detector with catalytic combustion sensor (LEL), auto shut-off valve, 4G Cat.1 cellular alarm, cloud platform monitoring. EN50194 & UL2075 certified. OEM/ODM, wholesale, global shipping to Vietnam. Contact: wanlinfirecontrol@163.com