Public Security Equipment, Silent Drill, Gas Detector manufacturer / supplier in China, offering Electric Control Homework Safety Mobile Compressed Air Foam System, CD10 (A) Explosion-Proof Wireless Composite Gas Detector[5-Inch Touch Screen + Multi-Gas Detection + Over-Limit Sound and Light Alarm + Cloud Platform + Explo, CD10 (A) Explosion-Proof Wireless Composite Gas Detector[7-Inch Touch Screen + Intelligent Sensor + Cloud Platform + 1 0 -Inch Remote Terminal + Explosion-PRO and so on.