... ,AISI304L,AISI316,AISI316L. 3.DIN,SMS,ISO,IDF,AS Pipe fitting:SPECIFICATIONS:1.ISO9001:2008,CE,TUV certified. 2. ... ,SMS,ISO,IDF,AS,BS,BPE Standard. BRIEF INTRODUCTION: Pipe Fittings(ISO9001:2008,CE,TUV certified) Specification: DN10-DN150, ... Purchase Volume is Below US$1 Million;No. of R&D Staff is 21 - 30 People ;No. of QC Staff ... America,South America,Eastern Europe and Southeast Asia etc. pipe fitting