We EPG group one of the Biggest Chain and sprocket manufacturer in China. We provide you most type of industry chains, agricultural chains, conveyor chains and related sprockets etc……..
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This Advanced thermo treatment equipment, such as ne2rk heat treatment oven, multi-use thermo treatment oven, etc. We look forward to the opportunity to serve you and hope to add you to our growing family of satisfied customers.50B21 sprocket is a durable, high quality, and precision sprocket with 21 hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don’t. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the