... ,AISI316L. 3.DIN,SMS,ISO,IDF,AS,BS,BPE Standard.Sanitary union (ISO9001:2000,CE,TUV certified) Specification: DN15-DN150,1 ... certified manufactory from China,specializes in producing kinds of sanitary valves,pipe fittings as well as OEM services over 15 years. Occupies ... , Automatic Argon arc welding machine and so on. Stainless steel sanitary union sanitary pipe fittings