Wufeng Chicheng Biotech Co., Ltd is a leading company which engaged in developing, manufacturing and sales for Chinese Gallnuts related tannin series. The company had built up several production lines in Hubei Yichang, Hunan Huaihua and Yunnan Qujing. The products were exported all over the world which widely used in food, feed, cosmetics, APIs, pharmaceutical intermediates, textile flocking, electronic chemicals, chemical additives and other fields.