Henan Guange Biotechnology Co., Ltd. located in Zhengzhou City, Henan Province, is a large enterprise specializing in production and R & D. 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.