... MeshLoss on Drying< 5.0%Heavy Metals< 20ppmArsenic(As)< 2ppmLead(Pb)< 2ppmAssayProanthocyanidins 5%-70% by UV,EP,DMAC,HPLC methodTotal Plate ... enjoyed a good reputation in Europe.Our heavy metal(As,Pb,Cd,Hg),Microbiology,Pesticide, Benzopyrene, Aflatoxin etc are very well ...