The Sunchon Area Anthracite-mining Engineering Institute of the Coal Science Branch enhanced the gear efficiency of inertia-type loader and conveying equipment, raising the coal mining rate more 20 to 30 percent than before.

The Research Institute of Mining Machinery and the Coal-mining Engineering Institute of the Coal Science Branch developed new high-performance puncher, crosscut saw and other machines needed for drilling work. And they invented a new manual mortar filling machine and a device for controlling speed of electric car.

The Central Mining Research Institute helped lengthen the serviceable life of tub wheel bearing and establish an air-tight tub wheel production process at coal mines.

The Geological Institute developed a precision CT prospecting apparatus.

The Environmental Engineering Institute succeeded in modeling the whole tunnels of coal mine to ensure the scientific accuracy of mining process design.

Manufactory No. 111 developed a three-phase electric monitor device and established an image and voice communication system.