Hangzhou Hetd Industry Co., Ltd. [China]

good quality material,precision machine,strict inspection,testing sprocket is done bt SNC machine according to drawing

Sprocket feature:

1.Material:alloy steel,Carbon steel ,stainless steel and so on

2.Heating treatment: Hardening and tempering,High quenching and so on

3.Surface treatment:Galvanizing/zinc plating, Dacrotized,Black Andic treatment,Spray printing, Mirror finish. Burnishing and sand lasting

4.Durable, good wear- resistance

Low tolerance

bicycle chain SprocketS