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—— Martin
—— Jonathan Sheffield
Standard:CE
Number:MA-DA-201703221754-MD
Issue Date:2017-03-28
Expiry Date:2022-03-28
Scope/Range:TRICONE BIT,PDC BIT,PDC DRAG BIT
Issued By:UDEM INTERNATIONA CERTIFICATION AUDITING TRAINING CENTRE INDUSTRY
Standard:ISO9001:2015
Number:04620Q12780R0S
Issue Date:2020-07-11
Expiry Date:2023-07-10
Scope/Range:PRODUCTION OF DRILLING BIT
Issued By:BEIJING HEAD INTERNATIONAL CERTIFICATION CO., LTD.