Shandong China Coal Import & Export Co., Ltd.

The hump continuous speed control equipment, the dowty retarder, is a kind of hydraulic unit which can simply and easily control the speed of hump vehicles without external energy and external control

Recently, China Coal Group's first batch of nearly 4,000 tons of railway rail products was sent to Mongolia through rail and highway intermodal transportation, mainly used for local railway constructi

In order to celebrate the arrival of the May 4th Youth Day, inherit and promote the May 4th spirit, further stimulate the sense of responsibility and mission of the young people, and strengthen the co

In the process of using dowty retarder, some problems are exposed, such as the unstable quality of dowty retarder, which can not completely reach the original design idea and so on.

China Coal Group's Carter Robot Company Won The Bid Of Holy Land Agricultural Plant Protection Equipment Procurement Project

In order to prevent and reduce accidents and extend the service life of dowty retarder, we must use advanced testing device to test and adjust it.