| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 1930.31 | USD | 20251020 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.96 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.96 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.96 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.96 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 1929.01 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 1929.01 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 1929.39 | USD | 20251013 |
| Shandong LuoHeng Chem | China national standards | MT | 1929.39 | USD | 20251013 |
| Shandong LuoHeng Chem | China national standards | MT | 1928.27 | USD | 20251011 |