... :5/8 1/2 3/8 1/4 etc. 3.10 years OEM experience 4.ISO 9001 1.Our ... while contributing towards environmental care and social development. 3.Cooperate PhilosophyCustomers first, know their needs and ... as you can provide the drawings or sample.4. All of the products are made by ... brass union, elbow, tee, cross, nut, cap, plug, coupling, adapters, reducers, nipples, ferrule, sleeve, fasteners, valves, taps ...