5 1 High Quality Anti-oxidation PQQ 99% Pyrroloquinoline Quinone Disodium Salt Powder US$ 2,140~2,400 1 Kilogram (Min.Order) Place of origin : China Supply Ability : 500kg/month High Quality Anti-oxidation PQQ 99% Pyrroloquinoline Quinone Disodium Salt Powder Product Description PQQ Pyrroloquinoline Quinone is a new type of water-soluble vitamins, is an oxidoreductase-based,... Xi'an Lvjing Biotechnology Co., Ltd See all results