... pipe fitting(1/8"-4"). 2.Main item:elbow, ... 3.API&ISO certification. stainless steel pipe fitting(1/8"-4"). Cangzhou City Keyuan Hardware and machinery Co., ... reasonal price and high quality. Main products: 1,Stainless steel pipe fitting 2,Stainless steel valve ... Bushing, Cross, Plug, Nut,etc. 2,Size from 1/8" to 4" 3,Material:Stainless steel 304,316,304L ... products. stainless steel pipe fitting(1/8"-4").