Gold Member Since 2013
Audited Supplier

Changsha Heijingang Industrial Co., Ltd.

DTH Hammer, DTH Bit, Drill Rig manufacturer / supplier in China, offering Hjg Wells Geothermal Drilling Rig, Hjg Reverse Circulation Drill Bit, Hjg Drilling Bit DTH HD525 and so on.

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Technical Support

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Compensation Principles for Drilling Tools
Operation and Maintainence Guidelines

Bulletin Board

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Welcome you to visit,choose and trust our Heijingang company...
Welcome you to visit,choose and trust our Heijingang company...

Enterprise Culture

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The valuable trip for all staffs of Heijingang.

My Video

HJG Drilling rig
Welcome to visit our Heijinggang company!
A video clip about workshop.2013-02-08workshop