As a professional high-tech enterprise, Tonking Biotech is engaged in the field of researching, manufacturing and distribution of Plant Extract & Functional food additives.   Located at the foot of Qinling Mountain, the natural treasury of plants and herbs in China, Tonking Biotech has been gifted with the advantage of quality raw material supply. And thanks to the state-of-art equipment and facility, we are endowed with the capacity of manufacturing hundreds kinds of high quality natural derived products. We have passed ISO9001 and HACCP accreditation, and our products are produced complying to the regulation of Kosher and Halal system.   Through ceaseless efforts for years, Tonking Biotech has grown to be an experienced manufacturer in the field of natural products and plant extracts in China. Numerous kinds of products have been distributed to Europe, north America and Asia etc every year.   We believe Quality is essential to success, and we hope our natural and healthy products could make your life more perfect.