material:20CrMnTi Certificate:TS16949,SGS. OEM or ODM are allowed 20 years of production experience company information : Gallop own development-research team, advanced ... ,SHINERAY,HAOJIN,ectPrimary Competitive Advantages: • Manufactuer• Quality Approvals• Price• Country of Origin• Guarantee/Warranty• Small Orders Accepted• Service• International Approvals• Product Performance ...