Shandong China Coal Import & Export Co., Ltd.

In the hundreds of meters of coal mines, in the event of an accident, people are more expecting a miracle. Nowadays, a safe hedging system relying on refuge chambers is being piloted in domestic coal

Side dump mine wagon is a very good transport vehicle in mine transportation equipment. Side dump mine wagon is suitable for metallurgy, mine roadway, coal mine, railway, highway ramp, underwater culv

Rail damage refers to damage that occurs during the use of the rail during breakage, cracks and other effects and limits the performance of the rail.

Wire-type electric locomotives are generally switched by mechanical contact components, controlling the series, parallel and speed-regulating resistors of the motor, and the parallel connection mode t

Establish regulations and inspection and acceptance systems for fixed-point periodic maintenance.

The impact force of the locomotive is weakened by the friction of the blocker on the railway rail and the cushioning force of the spring of the car stopper.