Haicheng Tianlang Mineral Products Co., Ltd. mainly produces various kinds of high-, medium- and low-grade light-burned magnesium products such as chemical magnesium oxide and building material magnesium oxide. It has also developed the following special products: magnesium oxide for ventilation ducts, magnesium oxide for fire boards, light Special magnesium oxide for partition walls, special magnesium oxide for toys (quick-drying type), special magnesium oxide for abrasive tools, special magnesium oxide for magnesium sulfate; high product quality, many varieties, and excellent prices. Long-term sales at home and abroad are the hearts of our customers. Star enterprise.