... is apply for truck,especially LPG,or CNG sequential system,it for foreign countries SICHUAN TONGXIN FUEL GAS ... EQUIPMENT CO, LTD is a manufacturer which produces CNG fuel gas equipment. It is located Sichuan province, China,and ... 2006years. We are mainly dealing with all kinds of CNG kits: CNG reducer, Valve, CNG cylinder, gas filling valve, electro magnetic valve, electronic control ...