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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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Per Requested Performance Crown Opener Bit and Inner Opener Bit for Double Casing Drilling Systems

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Advantages: 1. Our products can match over 95% against the original products. 2. High quality raw material, with premium hardened procedures for long ...

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