Zigong Tongda Machinery Manufacturing Co., Ltd. is the market leader in China, having captured more than 60% CNG market. They manufacture more than 60 different models of CNG Compressors of various capacities ranging from 250M3/hr to 3000M3/hr and related equipments for CNG station, like dryer, gas storage cylinder, dispenser etc. Tongda's compressors controlled by PLC based with low noise, stable running, long service life. D type and L type CNG Compressors are very robust and popular models in China.