According to news on June 17, information from the State Intellectual Property Office showed that a patent titled “A steel structure drilling fixture for mining construction” applied by Northern International Cooperation Co., Ltd. was authorized. The authorization announcement number is CN224359788U, and the authorization announcement date is June 16, 2026.
The application number is CN202520869886.7, and the application date is May 6, 2025.
This patent solves the problem that existing drilling fixtures lack automatic unloading of steel structures when used, resulting in extremely time-consuming and labor-intensive use.
It includes a workbench, a box is fixedly connected to the upper front side of the workbench, and a second motor is fixedly connected to the upper rear side of the box. The output end of the second motor is fixedly connected to a bidirectional threaded rod, and the bidirectional threaded rod is rotatably connected to the inside of the box. The external thread of the bidirectional threaded rod is connected to a sliding seat, and the sliding seat is
The left part of the adjusting rod is rotatably connected to an adjusting rod, the left part of the adjusting rod is rotatably connected to a sliding plate, the outer part of the sliding plate is fixedly connected to a slider, the inside of the box is provided with a chute, the left part of the sliding plate is fixedly connected to a connecting rod, the left part of the connecting rod is fixedly connected to a clamping plate, and the upper middle side of the workbench is fixedly connected to a baffle.
Through this design, it saves the time and physical effort of manual unloading and improves work efficiency.
Founded in 1986, Northern International is a leading enterprise in the international engineering field with diversified core businesses, full industry chain service capabilities, and high investment value.
The company was listed on the Shenzhen Stock Exchange in 1998.
Its main business covers international engineering contracting, domestic construction engineering and real estate business. Its Shenwan industry is Architectural Decoration – Professional Engineering – International Engineering, and it belongs to the S&P Dow Jones China, State-owned Enterprise Reform, and One Belt One Road concept sectors.
In 2025, Northern International’s operating income will be 13.554 billion yuan, ranking 3/4 in the industry. There is a gap with the first Sinoma International with 49.599 billion yuan and the second Sinosteel International with 13.914 billion yuan. It is lower than the industry average of 22.159 billion yuan and the median of 13.734 billion yuan.
Among the main businesses, engineering construction and services account for 46.63%, and resource equipment supply chain accounts for 40.17%.
In terms of net profit, it will reach 726 million yuan in 2025, ranking 2/4 in the industry, second only to Sinoma International’s 3.082 billion yuan, higher than the industry average of 1.16 billion yuan and the median of 624 million yuan.
Northern International Cooperation Co., Ltd. has a rich patent situation recently.
In addition to the above-mentioned patents on steel structure drilling fixtures for mine construction, there are also many patents such as engineering equipment operation path planning methods and electronic equipment, and methods for identifying small and medium-sized high-level landslide geological hazard hazards based on micro-terrain characteristics.
These patents cover multiple fields and reflect Northern International’s active investment and strong strength in technological innovation.
The company continues to enhance its competitiveness through technological innovation and provides strong technical support for the development of international engineering business.
In the future, Northern International is expected to achieve better results in the international market with these patented technologies and introduce more high-quality Chinese goods and technologies to the world.
