Hunan Sunfull Bio-key

Hunan Sunfull Bio-tech is a prominent Chinese high-tech enterprise specializing in the research, development, and large-scale manufacturing of natural plant extracts, with a primary focus on tea chemistry. Established in 1998 and headquartered in Changsha, the company is a global leader in the production of high-purity green tea derivatives, including EGCG, L-theanine, and tea polyphenols. Their products serve as critical ingredients for the pharmaceutical, nutraceutical, cosmetic, and functional food industries worldwide. Sunfull Bio-tech operates advanced extraction and purification facilities that adhere to rigorous international quality standards, including GMP, ISO, and Halal certifications. The company is also recognized for its contributions to establishing national standards for tea extracts in China.