Haicheng Huanmagnesite Products Manufacturing Co., Ltd. is an enterprise specializing in the development and utilization of magnesite resources and the production of magnesia. The general manager of the company, Ma Guangbo, has more than 20 years of experience in production management. He is a member of the council of China Magnesium Industry Association and directly participates in the products of industry standards (light-burned magnesia WB/T1019-2002 for magnesite products). The Huanling brand magnesium oxide produced by the company has been widely recognized by all sectors of society.