On the afternoon of December 1st, a batch of mine waterproof doors which independently produced by China Coal Group's Intelligent equipment production workshop ,were formal loaded, and would be sent to a coal mine of Wulian county,Rizhao city. 
These mine waterproof doors were independently produced by Shandong China Coal machinery plant and have got the certification from the nation mining security. Mine waterproof doors mainly used in underground main substation, the main drain Pump room and the channel which leads to bottom of wall. Mine waterproof door can prevent sudden wall leakage. With advantages of rapid close, durable quality , good sealing, easy to use and many other advantages, mine waterproof doors are always popular in the market and won broadly praise from global customers.
Over the years, adhering to "service on quality, service for development" of business philosophy, China Coal Group's mining machinery products have been sold to 136 countries and regions through electric business platform - 1kuang.com. China Coal Group  sets a new standard for the development of national mining machinery industry. In the future, with the aim of providing high  quality products and services for global customers,China Coal Group will make china coal brand more and more famous in the world. 

Welcome more global customers to visit and discuss cooperation with China Coal Group!