... ,ISO,IDF,AS,BS,BPE Standard. Pipe Fittings(ISO9001:2008,CE,TUV certified) Specification: DN10-DN150,1"-6",large size to be customizedMaterials ... ,tee,cross,reducer,sight glass,manhole cover,cleaning ball,centrifugal pump,pipe holder etc... Advantage: Prompt quotation, competitive price, punctual delivery and ...