... ,CE,TUV certified. 2.DN15-DN150,1/2"-6".AISI304,AISI304L,AISI316,AISI316L. 3.DIN,SMS,ISO,IDF,AS Pipe fitting:SPECIFICATIONS:1 ... .ISO9001:2008,CE,TUV certified. 2.DN15-DN150,1/2"-6".AISI304,AISI304L,AISI316 ... ,AISI316L. 3.DIN,SMS,ISO,IDF,AS,BS,BPE Standard. BRIEF INTRODUCTION: Pipe Fittings(ISO9001 ...