Pump parts Yunshui is a factory devoted to manufacturing and distributing water and oil pump parts for TOYOTA ,CHRYSLER,CHEVROLET,VOLVO AND BENZ, etc. To booster pump parts ,WALRUS from TAIWAN and VANO from GERMANY are our long-term customers. Type of material Gray iron for GG15--GG35, Ductile iron for GGG40--GGG60(DIN ,GERMANY) and Aluminum Alloy Quality The management system is ISO9001:2008 Stability The chemical elements (C ,Si,P,S,Mn,Mg,RE,Al) of original material are tested for every patch. The phsical tests are also provided ,as we own a full set of tensile strength equipment. Safety Some harmful elements to human are denied from raw material ,as we purchase raw material from company with ability to control quality stable ,such as BENXI STEEL GROUP CORPORATION.