Tongda is the market leader in China, having captured more than 50% CNG market in China. Tongda have manufactured more than 275 sets and 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 ,very robust and popular by clients. D type and L type CNG Compressors are for normal or mother CNG filling station and XD type and HY type are for daughter CNG filling CNG station .