Shandong China Coal Group Drilling Machine Branch

On December 28th, a research group led by Chu Zhihua, the director of the People's Congress Studio in Jining High tech Zone, Jiang Kaide and Xu Enxiu, the deputy directors of the People's Congress Stu

This article will give you some advice on how to pick a suitable air leg pneumatic rock drill.

The cold winter months China Coal Group to meet the peak shipment. On December30, after loading a number of products such as single hydraulic prop, construction grouting machine and dispatching winch

This article will be the characteristics of the air leg pneumatic rock drill features function power and so on to do a detailed explanation, and will be through the specific parameters to teach you to

On December 22nd, Russian merchants visited China Coal Group to purchase mining equipment and construction machinery. Yu Cui, executive vice general manager and general manager of e-commerce of China