Guange Biotechnology Is a comprehensive chemical enterprise integrating R&D, production and sales.It is a leading manufacturer and supplier of chemical products in China.We develop, produce and market high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates, as well as other fine chemicals.Our company has many years of export experience in this industry and professional logistics distribution.We have many production lines, including industrial chemicals, pharmaceutical chemicals, chemical raw materials, fine chemicals and customized synthetic products.We have a professional R & D team. Products are widely used in industry, rubber, textile, pharmaceutical and other industries. Products are exported to Europe, America, Southeast Asia and other countries. New and old customers are welcome to negotiate business.