Approved by the State Administration for Industry & Commerce, Haihui Group was established as a key high-tech enterprise of China, with no regional restriction and no industrial characteristics in October 2003. As an enterprise group, combining environmental protection machinery, heavy machinery manufacturing, environmental engineering technology, biochemical engineering, real estate, trade, and building materials, etc. as a whole, Haihui Group currently owns 21 subsidiaries and more than 3, 000 employees. Its total assets are up to 1, 000 million RMB, realizing over 100 million RMB profits and taxes annually. Haihui Group is also one of the first batch of innovative pilot enterprises of Shandong province. It has two provincial-level research institutes and one municipal-level research institute, including the provincial-level enterprise technology center, Shandong provincial research centre of crushing and grinding engineering technology, Rizhao municipal research center of air pollution control engineering technology.