With large production base (Dehui Coal Preparation Equipment Corporation and Defa Environmental Protection Equipment Corporation), Shandong Dehui Coal Preparation Equipment Co., Ltd. is a large private enterprise that mainly produces heavy mining equipment and integrates research and development, production and sales. Covering over 100,000m2 land, headquarters of the company, located in Longyang Hi-tech Development Zone, Tengzhou City, Shandong Province, has 78,000m2 standard heavy industrial plant, over 300 various large and medium machines for processing, rivet welding and assembling, and over 320 employees on production lines. The company builds globally advanced production line and modern testing base after bringing in advanced technologies and processes from the U.S., Germany, Japan, Australia and other countries successively. The company grows rapidly into high-end mining machine production and export base in China through scientific management method, manufacturing process of keeping improving and manufacturing concept of braving to innovate. 

Taking quality as life and users as God, Dehui complies consistently with the quality policy of taking responsibility for each process, product and user, and provides services for users sincerely. The company has passed through ISO9001 international quality system certification. Its reliable quality makes production and sales values and various comprehensive economic indexes at industrial front in China. Its thousands of users are all over China and its products are sold to over 30 countries.

The company locates in Tengzhou City (Top 100 Counties in China), which is the world-famous hometown of Mo-tse (science master), sits at southern foothill of Mount Tai, head of five great mountains and is adjacent to world-famous Confucius Mansion. It takes 2.5h only to get to Beijing and Shanghai by high-speed train and it has G3 Expressway pass through, featuring convenient traffic.