Shandong China Coal Import & Export Co., Ltd.

Dowty retarder is an independent closed hydraulic unit, which can automatically control the rolling speed of the vehicle without any external energy. The different speed of rolling makes the sliding c

Enterprise development, environmental protection first. Recently, after strict evaluation by the ISO14001 environmental management system expert group, the environmental management system of Shandong

Recently, Comrade Qu Qing, Chairman of the Group, has been awarded two honorary titles of "Excellent Entrepreneur of Jining City" and "Excellent Entrepreneur of Jining High-tech Zone" in 2019 for his

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