sales@superdrill.com.cn

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symmetric concentric casing system with overburden ring bit rock drill bits drilling tool

symmetric concentric casing system with overburden ring bit rock drill bits drilling tool

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Contact: sales@superdrill.com.cn

Phone: 86-18186993613

Tel: 86-18186993613

Company: Hubei Superdrill Equipment Co.,Ltd

Add: Building 3, Rainbow road,No.188 ; wuhan ;Hubei province