we are a chinese factory mainly producing chromium picolinate, zinc picolinate,chromium polynicotinate,vanadyl sulfate,copper glycine,sodium cyanate,Diethyl (tosyloxy)methylphosphonate,Diethyl(hydroxymethyl)phosphonate with good quality and best price!we sincerely wish to have an opportunity to establish direct business with you.company name: shenyangshi haizhongtian fine chemical factory
