The Haicheng Magnesite Group Co.,Ltd. is a large state-owned enterprise with more than 70 years of production history, which integrates magnesite mining and production of magnesite refractory. It consists of four areas, which respectively are Magnesite Mine, High Purity Plant area, Jinjiapu Plant area and Xiafangshen Plant area (including the family residential area and the office area), covering a total area of 6.25 million square meters.

The HaiMag is endowed with a unique magnesite resource, and the proven geological reserves recognized by the State Reserve Committee are 590 million tons, accounting for 20% of the country's total reserves. Among them, high-quality magnesite ore with MgO≧46% accounts for more than 40% of the Plant's total reserves. The thickness of its ore body, the quality of its ores, and the scale of reserves are all the best in the world. As a large open pit mine, its designed capacity is up to 1.5 million tons per year.