Founded in 2006, we are a famous manufacturer of Polydextrose Amino acid L-leucina L-valina L-isoleucina L-ornithine hcl L-citrulline L-arginine L-glutamine Our products are certificated by iso9001, iso14001, iso22000, iso18001, haccp, fami-qs, kosher , halal, brc ... With 12000t production ability and high quality products, we can offer you the most competitive price Free sample is pleased to send for your testing.