piston pin

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1.Use of grade 20Grmo to manufacture our piston pins
2.heat treatment:carbonitriding of the hardness 78-82.
3.processed by high –precision centreless grinding mach
Ine. Roughness of surface.
4.dinmensinal tolerance within 4um,cylindricity is reached
2 um.

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Mr. Sun zhanrui
Tel: 86-635-2124588
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Shandong Liaocheng Derun EMT Developing Co., Ltd.
China (Mainland)
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