The blank uses 45# high quality carbon structural steel.

End face arc processing, after the heat using Japan Mazak good, Japan Okuma CNC lathe internal control finishing, strictly ensure the size, runout and roughness requirements.

Accurate pitch, good tooth shape, small beating, accurate engagement, not easy to jump chain.

Tempering within 2 hours to ensure high-quality hardening layer depth and metallographic structure, the entire tooth hardening layer is uniform, no soft point, to avoid local transitional wear.

To meet the different appearance and corrosion protection needs of customers.

Can be customized according to customer requirements