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Jinan,Shandong,China China
Our product has precise size, high roundness, high hardness and mechanical properties. It is resistant to abra
1.Feature: 1) surface hardness to ****7 HRC, volume hardness of ****4 HRC 2) impact toughness high: impact t
Contact Person Michael Liu
Address Jinan, Shandong
We will contact you soon .
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