In order to further expand the business area of the group, China Coal Group recently invested and established Shandong Zhonghui Enterprise Management Consulting Co., Ltd. with a registered capital of
China Coal Group For Obtaining The Explosion-proof Certificate And Mining Product Safety Mark Inspection Report
1.The shaft bears the full load of the negative machine, so good lubrication has a great relationship with the life of the bearing. It directly affects the service life and operation rate of the machi
1. Lubricant: Lubrication has a great influence on the performance and service life of the machine. Oil-free operation is strictly prohibited, and it is best not to use grease for lubrication to avoid
Gasoline rock drill use this machine to operate conveniently and efficiently, reach the good level of similar products
China Coal News Women's Volunteer Service
© Shandong China Coal Group. © 2016
Address:No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
Executive Editor: Linda Zhang