| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 337.17 | USD | 20251104 |
| Shandong LuoHeng Chem | China national standards | MT | 337.25 | USD | 20251103 |
| Shandong LuoHeng Chem | China national standards | MT | 337.19 | USD | 20251031 |
| Shandong LuoHeng Chem | China national standards | MT | 337.27 | USD | 20251030 |
| Shandong LuoHeng Chem | China national standards | MT | 337.37 | USD | 20251029 |
| Shandong LuoHeng Chem | China national standards | MT | 337.3 | USD | 20251028 |
| Shandong LuoHeng Chem | China national standards | MT | 336.96 | USD | 20251024 |
| Shandong LuoHeng Chem | China national standards | MT | 337.01 | USD | 20251023 |
| Shandong LuoHeng Chem | China national standards | MT | 336.84 | USD | 20251022 |
| Shandong LuoHeng Chem | China national standards | MT | 336.84 | USD | 20251022 |