Hua Long Construction Machinery Co., Ltd. -

Hua Long Construction Machinery Co., Ltd.

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track roller
Specification: such as E70B E110B FH120 D3B SK60 HD250
Detail: material£º50Mn£» heat treatment£ºintermediate frequency quenching£» surface hardness£ºHRC50-57; warranty time:one year£» yearly volume£º300000pcs


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