Sinoway International (Jiangsu) Co., Ltd. is a professional manufacturer of Nutraceuticals (Plant extracts & Animal extracts) & Dietary Supplements.Our own factory is the ONLY manufacturer who has the LEGAL license to produce and export the Natural Tea Caffeine in China. It is extract from Chinese green tea. We also produce the green tea extract (tea polyphenol), specially produce the Decaffeined tea polyphenol. Our factory produce the Vegetarian D-Glucosamine HCL series products: Vegetarian D-Glucosamine HCL, Vegetarian D-Glucosamine sulfate 2KCL, Vegetarian D-Glucosamine sulfate 2NaCL. It is COSHER certified.