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Xian Tongze biotech Co., Ltd., located in the starting point of the silk road - the ancient capital of xi 'an was founded in 2004, is a professional committed to the animal and plant extracts and natural active ingredient research, production, sales for the integration of enterprises. "People with enterprise development" is the core of the tong ze culture idea, doctoral students, graduate students as the core, college students as the backbone, large professional talents as the main body of the pioneering and innovative talent team, coupled with advanced equipment technology and scientific and efficient system of technology innovation, the technology of tong ze firmly industry and products. The company has abundant technical force, advanced production equipment and first-class professional technical personnel. Company since its inception, adhering to the "high quality, high service, high image" concept, introducing the world advanced technology and scientific management methods, strive to excellent product quality, continuous innovation. The company has a large number of loyal customers and good reputation, and has won high reputation and has a wide impact on the market. Tong ze biological through strong strength of enterprises, deep enterprise culture, distinctive brand personality, outstanding talent team, the innovation of management idea, standardize the market operation, perfect management system and the integrity of goodwill attitude, with high quality products, perfect service, innovative avant-garde project, the correct marketing idea, sincere and a man of insight for a better future!

HUNAN SUNFULL BIO-TECH Co., Ltd., certified with ISO9001, ISO22000, Kosher, HALAL & HACCP, and specialized in the R&D, production and marketing of high value green tea and botanical extracts for dietary supplement, beverages, cosmetics & pharmaceuticals. We're the global leading manufacturer of green tea EGCG, (-)-Epicatechin, L-theanine, Theaflavins & Tea Polysacchrides. Our key botanical extracts including Aronia extract, Broccoli extract (Sulforaphane), Ginseng extract, Luo han guo extract, Maca extract, Milk thistle extract, etc. And many APIs (Amygdalin, Magnolol, Polydatin, Resveratrol, Sanguinarine, Swertiamarin, etc. ) Our products have been enjoying great popularity in the world markets due to their superior quality and competitive prices. SUNFULL also has becoming the 1st choice of natural ingredientsto many global famous enterprises and their most important strategic partner in China.