T3H CNG Filling valve material:Brass Function:Filling gas to cylinder pressure:20Mpa Type:safety We are a manufacturer which is ... , our products include CNG Cylinder, CNG valve, CNG conversion kits, CNG Reducer, CNG valve filling, High pressure tube, CNG pressure ... sensor/gauge, gas change valve, CNG mixer, Diaphragm, , Back-fire device, Table tee jointed, ...