Motors, Timers, Contactors manufacturer / supplier in China, offering High Quality Brass Copper 1/4" 1/8" 3/16" 5/16" 3/8" Access Valve for Refrigeration Spare Parts and Fridge Access Valve, Air Conditioning Spare Parts Brass Valve Charging Valve, Refrigerator Air Conditioner Charging Valve Refrigeration Access Valve and so on.