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Tieling Dongsheng Petroleum Machinery Co., Ltd.

Tieling Dongsheng Petroleum Machinery Co., Ltd.

Tieling Dongsheng Petroleum Machinery Co., Ltd.

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Vickers hardness test

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Detection method

Vickers hardness test

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Address: No. 9 Liaohai Road, Yinzhou District, Tieling, Liaoning.

Phone：024-72865567

Cell phone：13904108972

Mailbox：dssydssy@163.com

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