| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 578.71 | USD | 20251124 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.51 | USD | 20251119 |
| Shandong LuoHeng Chem | China national standards | MT | 578.51 | USD | 20251119 |
| Shandong LuoHeng Chem | China national standards | MT | 578.51 | USD | 20251119 |