Our company is specialized in supplying high quality Access Valve,also known as Charging Valve,access valve,check valve,one-way valve,valve for refrigerator,Refrigeration tool Access Valve.The access valve is an one-way service valve with valve inside.The charging valve is used on the freezer, cold store and air conditioning unit.Different specifications available:1/4,3/16,3/8.Tube length can be according to customer's requirements:40mm,50mm,60mm,70mm,80mm,90mm,100mm,120mm.Our parts have been exported to over 50 countries all over the world.