Appearence: White crystaline particle / Assay by NAOH: 99.8% / fumaric acid 0.17% / Heavy metal Pb 0.0003% / Residue on ignition <0.1%5500-8000USD/MT5,500-8,000USD/MT FOB Shanghai, China or We can take CIF & EXW & CFRProduct in stock now (25kg/bag)PERSON: Sean SuWHATAPP: