September 13, 2014, a batch of waterproof bulkhead gate produced by Shandong China Coal Industry&Mining Supplies Group was loaded to send to a large coal mine in Dongping, Tai'an.
The waterproof bulkhead gate is a kind of mining waterproof equipment that produced according to the waterproof requirements of coal mine and the requirements of "Coal Mine Safety Regulations". It is mainly used for mines with complex hydrogeological conditions or dangerous of sudden flood, shaft stations and some other roadways that need waterproofing to prevent the sudden immersed water. With the advantages of innovative and reasonable structure, ability to resist high pressure( the maximum overpressure can be 1.2MPa), light weight, convenient and flexible switches, the waterproof bulkhead gate produced by China Coal obtained good appraise and recognized by domestic and oversea client.

At present, more than 80 mining products of China Coal have achieved Safety Certificate of Approval for Mining Products, and passed the ISO9001 International Quality Management System. And according to statistics, Shandong China Coal, globally, has over 280,000 customers. The products that produced by China Coal not only covers 34 provinces and autonomous regions, but also being exported to 111 countries and regions in the world. It means that China Coal has taken a leading position among domestic peers in terms of market share!