... products. Prompt shipment is no problem for us.b. Full specifications, we can supply all the specifications of Green tea extract powder. 1. Polyphenols ... unit, and HPLC,UV,GC,AA. We are also in cooperation with many third party LAB to control the goods ... and we enjoyed a good reputation in Europe. Our heavy metals(As, Pb, Cd, Hg), Microbiology, Pesticide, etc. are well controlled. Green Tea Extract