Hangzhou GreenSky Biological Tech.Co,Ltd  is a high-technology enterprise that engages in the work of study, exploitation, production and sale of plant extract.It located in Hang Zhou City,famous for its beautiful  West Lake and  about 180 KM to the largest  Port City?Shang Hai, China. The company owns a research institute,central foundation,sales department.90% of its products are sold to Europe,America,Japan,Korea,Singapore.    Hangzhou GreenSky Biological Tech.Co,Ltd possesses an R&D center with advanced analysis equipment such as HPLC,GC, AAS,UV,thus making it convenient to set up quality control system from research to production.It have set up a long relationship with Zhejiang University,Zhejiang University Of Technology researching new bio-medicine,health-caring food and intermediary material.    Concentrate the Natural Elite,Care the life of man kind. Based on the principle of high quality and competition price and honest service,We welcome partners at home or overseas to cooperate with us bona fide,applying ourselves to the cause of green health of mankind together.     Our main product is Curcumin,Lycopene,Lutein,Grape Seed Extract,Green Tea Extract,Red Yeast Rice,Luo Han Guo Extract,Ginkgo Biloba Extract,Gotu Kola Extract,Kudzu Root Extract and so on.