Shandong China Coal Import & Export Co., Ltd.

List of typical cases of Shanghai Cloud. China Coal Group was successfully selected for its independent research and development of the coal mine machinery industry industrial Internet platform Yikuan

If the installation height of the dowty retarder is changed, the height of the contact point between the wheel and the dowty retarder cylinder will also change.

Article 5.1.5 of the new standard stipulates that the braking power shall not be less than 750j when the inner mounting height of What is the stipulation of dowty retarder brake work is 58 mm and the

In order to celebrate the 99th anniversary of the founding of the Communist Party of China, review the party’s glorious history, promote the party’s fine traditions, and enhance the cohesion and comba

What are the requirements for the use of retarder of railway vehicles? Here is an introduction.

On the afternoon of June 24th, a batch of mine single hydraulic prop equipment is loaded in China Coal Group's intelligent equipment manufacturing workshop, and will soon be sent to a mine in Hunan Pr