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We are offering R&D, precision manufacturing, international trade and drilling tools solution service, while now is growing up as a leader of global rock breaking tool industry.

Welcome to Tianjin Grand Construction Machinery

Tianjin Grand Construction Machinery Technology Co., Ltd., deeply engaged in rock breaking tools more than 20 years.

About Us


Our head office is located in Tianjin city which is a municipalities city directly under the China Central Government. Tianjin city has airport and seaport, which also is a beautiful modern city. Our manufacturing center is located in Qianjiang city Hubei Province. Our modern production lines have CNC machining center and CNC lathe, having modern management level and manufacturing ability. The production center is owning more than 290 staffs(13.8% of them are engineers).

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Our current development is to provide a variety of rotary drilling rigs with roller bits, tricone drill bits, PDC bits, HDD reamer etc.  



Tianjin Granda Machinery Technology Co., Ltd. has conducted research on engineering research technology to move towards the future international market.


We have established and maintained long-term contacts with the industry-elites all over the world.

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