pipe fitting: 1.ISO9001:2008,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 ... ISO9001:2008,CE,TUV certified) Specification: DN10-DN150,1"-6",large size to be customizedMaterials: AISI304,AISI304L, ... - 80%;Total Annual Purchase Volume is Below US$1 Million;No. of R&D Staff is 21 - ...