Shandong Tianrui Heavy Industry Co., Ltd. is a high-tech enterprise engaged in drilling machinery research and development, which was located in the High-tech Zone of Weifang City, and with registered capital of 50 million yuan. We are supported by some key projects of the Ministry of Science and Technology, the National Development and Reform Commission, the Ministry of Industry and Information Technology and Bureau of Ocean and Fishery, and are also the support organization of three provincial innovation platform include Rock Mechanical Engineering Technology Research Center, Enterprise Technology Center and Rock Drilling Machinery Research and Development Center in Shandong province.

Li Yongsheng, president of Tianrui Heavy Industry, discusses technical problems with firm staffs. [Photo/provided to chinadaily.com.cn]

Tianrui Heavy Industry has a leading R & D team, which is a high-level innovation and entrepreneurial team introduced by Weifang government. We have 76 National authorized patents, including 16 invention patents. With perfect quality system, Tianrui has passed the ISO9001: 2000 international quality system, environment system, occupational health system, measurement management system certification, CE certification and MA certification, becoming AAA grade good standardization enterprise in Shandong Province.

Company's main products are rock drill, hydraulic breaking hammer and chisel, high pressure DTH hammer and drill bit, drill rod, intelligent mortar spraying machine and grouting pump, high frequency crushing device. The YT28 air-leg rock drill used for tunnel driving is the best drilling machine, in China. The high drilling speed, the low failure rate and the long operating life of wearing parts are widely praised by our users, and YT 28 was honoured as the best and most reliable Chinese rock drill, is the "Shandong famous brand" and "National Machinery industry customer satisfaction products". The hydraulic breaking hammer and chisel, high pressure DTH hammer and drill bit, drill rod which Tianrui produced have the advantage of long operating life, high crushing efficiency and low failure rate, makes them the first choice of our customers. And the high frequency crushing device also is widely recognized by users for it’s high construction efficiency, low loss, small noise and energy saving and environmental protection .Tianrui heavy industry has become the main supplier of drilling machinery of high-end products, is in a stage of rapid development.

Tianrui Heavy Industry has always been adhering to the purpose of "strive for excellence, be professional and focus, exceed expectation and create success", to produce the first- class products, and create a name brand in the industry.