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Express--China Coal Group E-commerce Technology Industry Building Passed the Final Acceptance
January 22, the completion acceptance meeting of the China Coal Group e-commerce technology industry building was held in the meeting room which is on the first floor of Shandong China Coal Group Indu
China Mining&Construction Wish Our Global Custormers A Happy Chinese New Year
As Spring Festival approaching, China Mining&Construction wishes friends all over the world a happy Chinese New Year!
High-Tech Zone Information Industry Office Sent A Letter To Thank Our Group For The Support And Collaboration to Their Work
Recently, China Coal Group received a thanks letter from the Jining High-tech Zone Information Industry Office, and thanked our Group''''s support and full cooperation in the construction of Shandong In
Some Critical Using Points of Shotcrete Machine
Before spraying machine downtime, stop feeding, no material to be ejected when the head office, shut the water supply valve.
Situation Analysis Of Shotcrete Spraying Machine Industry
According to the staff to analyze the current status quo concrete spraying machine industry analysis Survey, concrete spraying machine is very optimistic, they are spraying machine through the industr
How To Correctly Use Shotcrete Machine
Before class jet, to check the pressing force applied to the rubber combined board. Clamping force is too small, it will create pressure air from the joint surface to escape. It carries the fine parti