On the afternoon of November 2nd, in the intelligent equipment production workshop of Shandong China Coal Group, a batch of mining waterproofing equipment were formal loaded after acceptance, and would be sent to a coal mine of Zhangjiakou, Hebei Provence. 

The mining waterproof airtight doors produced by Shandong China Coal Group were mainly used in the underground main substation,the main drainage pumping station and the channel to the shaft bottom to prevent the sudden leakage of underground water.The mining waterproof airtight doors of our Group have the advantages of fast closing in a short time, sturdy and durable, good sealing and easy to use. Its market response is very good and widely recognized by domestic and foreign customers. 

For many years,  China Coal Group adhered to the principle of "Survive on quality, development on service."  our mining machinery products,various types of industrial and mining products produced  by our Group acquired the high praise of domestic and foreign customers, the market share of products be way ahead in the same industry.In the future, our Group will adhere to the global development strategy and let our brand become an international brand with the highest quality products and the most attentive service.Welcome new and old customers inspection and procurement.