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Changsha Chaojingang Machinery Manufacturing Co., Ltd.

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City:changsha

Country/Region:china

Contact Person:MrWilson Chen

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Smooth and Precise Drilling Operations Rock Drill Rod Drill Pipe with ISO 9001 2000 Certification

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Rock Drilling Tool Drill Rod drill pipe Advantages: 1. High quality raw material, with premium hardened procedures for long life. 2. Full production ...

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