... OEM experience 4. ISO9001:2000 Specifications: 1. Product Name: DZR Hose Barb Fittings2. Raw Material: DZR Brass.3. Size: 1/ ... are made of brass & coppers, including: elbows, tees, adapters, taps, valves, various nuts and so on.We can also provide customized ... are mainly used in: water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and different kinds of ...