| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 577.07 | USD | 20251010 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.74 | USD | 20250929 |
| Shandong LuoHeng Chem | China national standards | MT | 576.74 | USD | 20250929 |
| Shandong LuoHeng Chem | China national standards | MT | 576.23 | USD | 20250928 |