Standard: GB, JIS, ASTM and non-standard.

Module: 0.2~10.

Outer diameter: 6~800mm

Material: Mild steel, cast steel, cast iron, forged steel, stainless steel, alloy steel, plasitc, POM, aluminium alloy, zn alloy, bronze, brass, chrome, 40Cr, 20CrMnTi.

Surface treatment: Carburizing, hardening and tempering, nitriding, high frequency treatment, black of oxidation, zincing, nickelage.

Machine: CNC engine lathe, milling machine, drilling mchine, hobbing machine, grinder,