... kinds of Gray Cast Iron, Ductile Cast Iron, Railway Fastening System, etc., which have been exported to Europe, North America, Japan, and other international market ... Staff: 10-20Management Certification: ISO9001:2008, ISO/TS16949:2009Contract Manufacturing: OEM Service Offered, Design Service OfferedCompany AuthenticationRegistered Address: Tanjiazhuang, Tao-cheng ...