We are experienced manufacturer. Wining the majority from the crucial certifications of its market for China Fixed Gas Detector and 4-20mA Gas Transmitter, ammonia gas detector, Multi Gas Detector Portable, Nh3 Gas Detector,Handheld Combustible Gas Concentration Detector. While using the improvement of society and economy, our corporation will retain a tenet of "Focus on trust, high quality the first", moreover, we count on to make a glorious long run with each and every customer. The product will supply to all over the world, such as Europe, America, Australia,United States, Canberra,Vancouver, Manchester.Our monthly output is more than 5000pcs. We have set up a strict quality control system. Please feel free to contact us for further information. We hope that we can establish long-term business relationships with you and carry out business on a mutually beneficial basis. We are and will be always trying our best to serve you.