Hejian Deris Petroleum Drilling Equipment Co.,Ltd.

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June 26, 2019
manufacurer of replace tricone bit cutters

Hejian Deris Petroleum Drilling Equipment

January 09, 2019
PDC bit Design

Hejian Deris Petroleum Drilling Equipment Co., Ltd Address : Junziguan Industry Park NO.88, Hejian City, Hebei Province, China Tel: +86 (0)317 5586567 Fax: +86 (0)317 5586567

November 23, 2018
PDC bit drilling operations requirement

Hejian Deris Petroleum Drilling Equipment Co., Ltd

October 18, 2018
Cone-PDC composite drill bit

Hejian Deris Petroleum Drilling Equipment Co., Ltd 

October 17, 2018
PDC bit

Hejian Deris Petroleum Drilling Equipment Co., Ltd www.welldrillingbit.com   WhatsApp/ WeChat : +8615128708428   Skype: jenny19871026shen  &nbs

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