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

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.

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).

The company's products cover multiple fields, such as roller bit, tricone drill bit, PDC bit and so on.

We are adhering to the combination of product development and market, we can design and manufacture products that meet the personalized requirements of customers according to their needs, provide the best solutions, and reduce the comprehensive operation cost of users with high-quality products and professional services.We have established a perfect domestic and international sales network.Our products are exported to the United States, South Africa, Brazil, Iran, Malaysia and other countries through various channels, and we have established and maintained long-term relations with the industry elites around the world.