CNG Mini seqential switch have a litter samll,but also practical SICHUAN TONGXIN FUEL GAS EQUIPMENT CO, LTD is a manufacturer which produces CNG fuel gas equipment. It is located Sichuan province, China, and found in 2006 years, and found in 2006 years. We are mainly dealing with all kinds of CNG kits: CNG reducer, Valve, CNG cylinder, gas filling valve, electro magnetic valve, electronic control ...