1.QC inspect after products finished 2. eco-friendly materials 3.OEM /ODM 4.customer-oriented servic motorcycle screws/nuts/bolt/ standard parts MaterialTi Grade 2, StandardDIN912/933/7991/7984/6921,ISO 7380,JIS,BS etcSizeM2.5~25XCustom lengthStrength class 8.8/10.9/12.9Applicationssports apparatus,racing industry like racing motorcycles and cas,racing bicycles,sailing boat and medical industry ...