pipe fitting: 1.ISO9001:2008,CE,TUV certified. 2.DN15-DN150,1/2"-6".AISI304, ... . 3.DIN,SMS,ISO,IDF,AS Pipe fitting:SPECIFICATIONS:1.ISO9001:2008,CE,TUV certified. 2.DN15-DN150,1/2"-6".AISI304 ... . 3.DIN,SMS,ISO,IDF,AS,BS,BPE Standard. BRIEF INTRODUCTION: Pipe Fittings(ISO9001:2008,CE,TUV certified) Specification: DN10-DN150,1"-6",large ...