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What is a Sprocket ?

WHM has been manufacturing and exporting sprockets of excavator and other construction machinery for many years. With excellent technical and R&D support, we are able to manufacture the tailor-made products and provide OEM service for you.


Customized sprockets made of ductile cast iron

They are manufactured through three main processes including foundry, heat treatment and machining to meet customers’ requirements.

Sprocket of Excavator
Material: Ductile iron ISO 1083 SG550-5
Process: Sand casting & surface of gear Induction hardening heat treatment

Customized sprockets made of precipitation hardening stainless steel

Sprocket wheel of sports bike
Material: ASTM A564 type 630 condition H1150
Process:forging – solution treatment – CNC center machining – Age hardening

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