Shandong China Coal Import & Export Co., Ltd.

As a device to ensure railway safety, dowty retarder has an extremely important role in railway safety. The working principle of dowty retarder is introduced below.

Nowadays, the social and economic progress is developed by our customers and friends. Mine Wagon are one of the more popular existing equipment in the mechanical equipment market. How should mining ca

The new type of dowty retarder for railway freight cars solves the problems of poor sealing, poor aesthetics and short service life of the existing reducers for railway freight cars.

When the high-speed rail has not yet been built in large numbers, many people will travel by train. The train needs to follow a predetermined track. Generally, the rails of the train are connected by

The working principle of the rail tamping machine is the motive force generated by the engine, which is transmitted from the passive disk to the reduction gear box. After the gear is decelerated, the

Narrow-gauge railway handling vehicles that transport bulk materials such as coal, ore and waste rock in mines are generally towed by locomotives or winches. The mine car can be loaded with a mine gat