Electroplating, hard chromium plating, tin plating, nickel plating, nitriding, hardening treatment, quenching, heat treatment,
oxidation, zinc plating...

Minimum tolerance 0.005mm, maximum tolerance 0.05mm

Wire diameter size, flatness, parallelism, coaxiality, concentricity, roughness, smoothness, hardness

Micrometer, projector, three-dimensional, marble platform, hardness tester, dial indicator

Independent packaging, blister box, pearl cotton, anti-rust agent, oil paper, carton, wooden box

Automobile hardware accessories, mechanical transmission accessories, drive shafts, bearings, gears, flanges, screw rods, and
other precision hardware accessories.