There are all kinds of LPG and CNG switch,include ECU,This product is used for sweithing over ... , our products include CNG Cylinder, CNG valve, CNG conversion kits, CNG Reducer, CNG valve filling, High pressure tube, CNG low pressure sensor/gauge, CNG mixer, Diaphragm, , ... of price and quality. We dealing with mainly products are CNG LPG, NGV, and we can accept processing on supply sample.Otherwise ...