2024 Dragon Boat Festival Holiday Notice-Heijingang_Focus on drilling industry for 26 years

The selection of a shaft‑extension scheme is a complex and critical decision‑making process that encompasses engineering‑geological conditions, measurement‑accuracy control, safety design, and safeguarding measures. Moreover, throughout the implementation phase, pre‑construction preparations, in‑process monitoring, and post‑construction acceptance are all of paramount importance.

Invitation | Black Diamond Drilling sincerely invites you to the 5th International Mining Investment & Financing Reception

Black Diamond Drilling and fellow co-hosts present the 5th International Mining Investment & Financing Reception.

Telephone:+86-0731-83918178

E-mail:info@hjgdirll.com

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