... Standard: ANSI, DIN, AS, BS and etc7. Example: DIN912, DIN931, DIN933, DIN571, A-10, A-6, ISO4014, ISO4017, etc8 ... . Production Processing: Cold forged or Hot forged9. Surface: Whited, Plain, Zp, HDG and Black zp, Chromed10. Quality ... : Approved and assured and can provide English test report11. Machine: ...