... , weldolet, sockolet, coupling, plug,union,bushing,pipe fittings,cap, stud end, tee,reducer, cross, end cap, bend pipe, threadolet, nipple,return bend. ELBOWS ... or tray 7. Delivery according to qty 8. Usage Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc 9. Accept the 3rd ...