Hangzhou Gosun Biotechnologies Co.,Ltd. is a Hi-Tech corporation, concentrating on study, exploitation,production and sale of botanical extracts especially in Green Tea Extracts and herbal extracts . We have been continually expanding our R&D force, manufacturing partnerships,established our production lines in Hangzhou city which is famous for its beautiful West Lake and close to the largest City Shanghai. We have the absolute advantage in technology. We have a number of advisors, professo...