Shandong China Coal Import & Export Co., Ltd.

The bearings are made of ordinary tapered roller bearings. Although the bearing capacity and axial thrust capability of this kind of bearing are high, the anti-seize property is very poor.

one person operates a rail tamping machine, when the train passes, the human-machine can synchronize.

Customized Plain Steel Rail Anchor

Beacuse of the wheelset's bad working environment, flaws in design, and improper management, the service life of wheelsets is too short.

The Structure Of Mine Electric Locomotive

LED has low photoelectric conversion efficiency, most of the electricity is maily converted into heat energy. With the wide application of LED ming lamps, people put higer demands on the power. if the