... ,AISI304L,AISI316,AISI316L. 3.DIN,SMS,ISO,IDF,AS Pipe fitting:SPECIFICATIONS:1.ISO9001:2008,CE,TUV certified. 2.DN15-DN150 ... ), semi-polish, matt finishing, sandblast or picklingConnection: welded , threaded , clamped and union type. COMPANY PROFILE:Our company mainly manufacture rubber hose ... 16949 ;Main Markets are North America,South America,Eastern Europe and Southeast Asia etc. pipe fitting