tank truck fittings valve volume hole

Shanghai Cowell Machinery Co., Ltd. (Cowell) is a professional manufacturer of petroleum tank truck equipment, industrial flow meters and pumps in China. Registered in Shanghai, and managed by a professional team, Cowell delivers quality, efficiency, and expertise to our clients worldwide, being dedicated to providing the below full line products: 1) Fuel and LPG equipment - positive displacement flow meters and pumps, loading and unloading meters and pump nozzles 2) Fuel and LPG dispenser components - LPG meters, pumps, nozzles, separators, manometers, solenoid valves, differential valves, hoses and other related products 3) Tank Truck Spare Parts - manhole covers, bottom valves, manual brackets, API adapters, vapor recovery adaptors and other related products 4) Ultrasonic flow meters, turbine flow meters, intelligence electromagnetic flow meters, target mode flow meters (for liquid, gas and steam - high and low temperature and normal temperature). 5) We also offer sourcing of other products and consolidate with ours' accourding to our customers' demand. If you are interested in our products, please do not hesitate to contact us for further information.