1.Quick Coupling Type A, 2.Size1/2"-4", 3.Material ... process precision casting products: * a variety of low-pressure ball valve, globe valve, check valve, gate valve, Y type ... filter* 150LBS * Quick Connector Fittings, Model A, B, C, ... F, DC, DP* sanitary fittings, valves, etc.; 2) * a variety of forged products, the high-pressure welding, threaded pipe ...