| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 1931.54 | USD | 20251024 |
| Shandong LuoHeng Chem | China national standards | MT | 1931.81 | USD | 20251023 |
| Shandong LuoHeng Chem | China national standards | MT | 1931.81 | USD | 20251023 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.83 | USD | 20251022 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.83 | USD | 20251022 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.83 | USD | 20251022 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.83 | USD | 20251022 |
| Shandong LuoHeng Chem | China national standards | MT | 1931.48 | USD | 20251021 |
| Shandong LuoHeng Chem | China national standards | MT | 1931.48 | USD | 20251021 |
| Shandong LuoHeng Chem | China national standards | MT | 1930.31 | USD | 20251020 |