1. Socket Screw 2. Precision Hardware 3. Strict QA control 4. ISO Certified Socket screw, screw, OEM turned parts.Made of SST and standard: per customer requirement 100% inspection Machined parts in high precision and lathe parts Main equipments: CNC lathe, automatic lathe, tapping drilling machine and more.Measuring and testing equipments: projecting profile, roughness tester, hardness tester,  concentric tester and more Surface treatment: polishing, zinc plating, nickel plating or chrome plating, phosphating and more. Tolerance: can be kept in ±0.01mm for turned parts