On the morning of April 11th, a batch of mining water-proof airtight doors were checked eligibility and loaded in Shandong China Coal Group intelligent equipment production workshop and would be sent to a mine in Yantai.
It is reported that the water-proof airtight doors which were sent to Yantai all independent R&D and produced by China Coal Group Machinery Factory,and the products have passed the national mine safety certificate.
The mining water-proof airtight door is mainly used for underground main substation and the main drainage pump to real bottom channel,in order to prevent the leakage of underground water. This type door of China Coal Group can be closed within a short time, with a strong, durable, good sealing, easy to use, and many other advantages, has been unanimously recognized by customers at home and abroad.
Over years, China Coal Group always adhere to the "survive by quality,credit to promote development", production and sales various mining equipment that never happened technical and quality problems, market share rate far ahead in the same industry. In the future, Shandong China Coal Group will continue provide the best quality products and the most perfect service to global customers as the development goals.Launched the brand "China Coal "brand in the world! Warmly welcome more customers from all over the world to visit our group to discuss and cooperation!