4/20/2023 | 38249999 | Black 534 zinc passivator, used in electroplating. TP: Chromic sulfate 16%, Chromium nitrate 10%, Cobaltous nitrate hexahydrate 60%, Ethyl 3-oxobutanoate sodium 14%, 30kg/carton, 100% brand new | HAOYUE INDUSTRY AND TRADE HONG KONG CO LIMITED | 300 | Kilograms | 2700 | China | NA |