Forged Elbows, Tees, Crosses manufacturer / supplier in China, offering Class 3000/6000 Psi Sch80 Forging Carbon/Stainless Steel Male Thd Square Plug, 3/4" Forging Carbon/Stainless Steel Plumbing NPT Bsp Thd Square Plug, 1"– 2" Forging Carbon/Stainless Steel A105/A182 Thd Square Plug for Oil/Gas and so on.