On the morning of October 27th, 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 Zhongxiang,  Hubei province. 
The mining waterproof airtight doors which were independently produced  by Shandong China Coal have got the certification from the nation mining security.In order to prevent the sudden leakage of underground water,the mining waterproof airtight doors were mainly used in the underground main substation,the main drainage pumping station and the channel to the shaft bottom.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,  with the operation philosophy of "Survive on quality, development on service.", our mining machinery products were exported to 136 countries and regions through the cross-border e-commerce platform-1Kuang. In the future, Shandong China Coal Group will continue taking providing the highest quality products and services to domestic and foreign customers as our development goal, started the brand of "China Coal" in the global! Sincerely welcome more global customers to come to discuss cooperation in  China Coal Group!