Tongli Fluid Control Co., Ltd. Founded in 1996 and qualified ISO9000 in 2008, is specializing in designing and manufacturing various Solenoid Valves and Control Electronics which satisfy different needs and industrial requirements to control the most diverse liquids and gases. We now are biggest manufacturer of CNG/LPG conversion kit components ( Injector Rail, Pressure regulators, high pressure solenoid valves, ECU), and different solenoid valves used in digital water curtain, medical appliance, high precision vacuum pump, and refrigeration systems, etc. With over years of delicate design, precise manufacturing, strict quality control and satisfied after service, Tongli gains nice reputation on market.