1.ISO9001:2008,CE,TUV certified. 2.DN15-DN150,1/2"-6".AISI304,AISI304L,AISI316,AISI316L. ... ,AS,BS,BPE Standard. Pipe Fittings(ISO9001:2008,CE,TUV certified) Specification: DN10-DN150,1"-6",large size to be customizedMaterials ... delivery and guaranteed quality. YODSN FLUID EQUIPMENT CO.,LTD",a ISO9001:2008 certified manufactory from China,specializes in producing kinds of sanitary ...