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China Coal Group Leaders Express Their Care To The Frontline Employees In Production Workshop
The hot sun and the high temperature continued. The frontline employees of the group company stood on the hot and hot summers, and they were still full of spirits and high-spirited struggles in their
Overseas Customers To China Coal Group Buy New Productions Of Diesel Locomotive
Overseas customers to china coal group buy new productions of diesel locomotive, The diesel locomotive is one of the main power machinery in industrial a production.It is widely used in oil drilling,