LAIZHOU TIANRUN MACHINERY CO.,LTD IS PECIALIZED IN THE MANUFACTURING SCREW TAP WRENCH,DIE HANDLE AND MANUAL CUTTER.OUR COMPANY HAS PASED THE ISO9001 2008 INTERNATIONALQUALITY MANAGEMENT SYSTEM CERTIFICATION AND WITH HIGH QUALITY AND COMPLETE SPECIFICATION ,OUR PRODUCTS ARE EXPORTED ALL OVER THE WORLD.WE SINCERELY WELCOME ALL THE NEW AND OLD PARTNERS FROM HOME AND ABORD TO COOPORATE TOGETHER!