... valve is used for highl pressure environment,especiouly such as CNG/LPG system for vehicle. SICHUAN TONGXIN FUEL GAS EQUIPMENT CO ... , LTD is a manufacturer which produces CNG fuel gas equipment. It is located Sichuan province, China, ... years. We are mainly dealing with all kinds of CNG kits: CNG reducer, Valve, CNG cylinder, gas filling valve, electro magnetic valve, electronic ...