... Stainless Steel spring lock pin Verified Information This information is Verified by Bureau Veritas and is valid for the following period: ... Pcs Per Year Spring 69,000,000 Pcs, Pin 6,000,000 Pcs, Stamping 5,000,000 Pcs ... machine M98-2 5 3.0 Acceptable Spring end grinding machine ML-200-9 1 3.0 ... 2.Pressure spring 3.Torsion spring 4.Tempering 5.End grinding 6.Shot blasting 7.Inspection 8.Packaging ...