pipe fitting: 1.ISO9001:2008,CE,TUV certified. 2.DN15-DN150,1/2"-6".AISI304,AISI304L,AISI316,AISI316L. 3.DIN,SMS, ... fitting:SPECIFICATIONS:1.ISO9001:2008,CE,TUV certified. 2.DN15-DN150,1/2"-6".AISI304,AISI304L,AISI316,AISI316L. 3.DIN,SMS ... . BRIEF INTRODUCTION: Pipe Fittings(ISO9001:2008,CE,TUV certified) Specification: DN10-DN150,1"-6",large size to be customizedMaterials: AISI304,AISI304L,AISI316 ...