... : We specialized in elbow, tee, reducer,cap and other pipe fittings, and we can satisfy with your demands on good quality ... .9, GB/T12459 , MSS SP-43, DIN , JIS. 5) Material: Stainless steel (304/304L, 316/316L, 317L,321, 321H, 310S, 347H , DUPLEX2205 ... inspection available upon requests.*We can also manufacture special applicationpipe fittings and large size fittings that customers require.