| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 1932.84 | USD | 20251031 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.28 | USD | 20251030 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.28 | USD | 20251030 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.85 | USD | 20251029 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.85 | USD | 20251029 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.5 | USD | 20251028 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.5 | USD | 20251028 |
| Shandong LuoHeng Chem | China national standards | MT | 1932.82 | USD | 20251027 |
| Shandong LuoHeng Chem | China national standards | MT | 1932.82 | USD | 20251027 |
| Shandong LuoHeng Chem | China national standards | MT | 1931.54 | USD | 20251024 |