MILESTONE INDUSTRIAL CO., LTD (Abbreviated as MST) is a professional manufacturer specializing in the production and sale of chemical products. The main products include Zinc oxide, Sulfanilic acid, Sodium sulfanilate, Sulfur dyes, Direct dyes, Acid dyes, etc. MST has been focusing on the production and sale of chemical products for more than 30 years. We has cooperated with Tsinghua University and achieved significant results in the production and application of zinc oxide. MST has ISO 9001 quality management system authentication certification, ISO 14001 environment management system authentication certification.