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D8R TOP ROLLER>>

我们的托链轮中用作独特的专有密封 ,使用摩擦系数较低的铜套 

更深度的热处理 历经调质,淬火中频,回火等的热处理工艺,保证硬度


Our carrier roller are used as a unique proprietary seal, using a copper sleeve with a lower friction coefficient.

Deeper heat treatment, After quenching and tempering, quenching, medium frequency, tempering 

and other heat treatment processes, to ensure hardness

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