Chengdu History Petroleum Technology Co., Ltd.

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More detailes, pls kindly add my skype: cdhptec05 Bit Size 12 1/4(311.15mm) Bit Connection 6 5/8 IADC Code: S323 Blade Count 5pcs Primary Cutter

More detailes, pls kindly add my skype: cdhptec05 Bit Size 17 1/2(444.5mm) Bit Connection 7 5/8 IADC Code: S423 Blade Count 6pcs Primary Cutter

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