On the morning of  November 20th, a batch of Mine explosion-proof doors which independently produced by Shandong China Coal, were formal loaded after acceptance, and would be sent to a coal mine of Changchun, Jilin province.
Our Group production of shaft explosion-proof door, with advanced technology, reliable performance, mainly for vertical shaft wellhead. The explosion-proof door can be automatically rise  while the fan stops operating, and when the mine disaster, explosion door can automatically open, to protect the main fan is not compromised.  Since the product into the market, gained unanimously praised of customers at home and abroad,and the market share lead in the same industry! At present, the product has obtained national mining product safety certificate.
China Coal Group always adhere to the development of the concept of win-win cooperation, and has reached a strategic cooperation partnership at home and abroad with a number of large mining Group. Our mining machinery products have been sold to 34  provinces and autonomous regions, with 280000 customers, and become the new benchmark for innovation and development of the traditional industrial enterprises. The future, China Coal will adhering to the operation philosophy of "Survive on quality, development on service ", with the highest quality products, the most attentive service made a great brand in global mining industry