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Changsha Chaojingang Machinery Manufacturing Co., Ltd.

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City:changsha

Country/Region:china

Contact Person:MrJacky ( Sales Manager)

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High Speed DTH Drill Threaded Drill Bit T51 4 Inch DTH Button Bits with ISO 9001 2000 Certification and JIS Standard

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T51 4 Inch DTH Button Bits high speed DTH drill threaded drill bit Advantages: 1. High quality raw material, with premium hardened procedures for long ...

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