Shandong China Coal Import & Export Co., Ltd.

The existence of mine wagon equipment is the common machinery and equipment in people's daily life and production today. Mining production is a direction that social development is more concerned abou

Dowty retarder is a small independent hydraulic device installed on the waist of the rail and has the function of automatically reducing the speed of the vehicle. The sliding cylinder and housing are

There is a special equipment for train steel rails cutting, called steel rails cutting machine, whose main function is to quickly and accurately cut steel rails according to requirements.

I believe that everyone has a certain understanding of the dump truck, we at China Coal Group will introduce the characteristics of the dump mine wagon.

As a necessary equipment for the mining industry, mine electric locomotives needs to understand the working principle of mine electric locomotives. Let me introduce you below.

The dowty retarder was first invented by the British George Dowty, and is a hydraulic device used to control vehicle speed in the marshalling station hump speed regulation system. Divided into two par