| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 336.95 | USD | 20251021 |
| Shandong LuoHeng Chem | China national standards | MT | 336.75 | USD | 20251020 |
| Shandong LuoHeng Chem | China national standards | MT | 336.86 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 336.86 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 336.52 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 336.59 | USD | 20251013 |
| Shandong LuoHeng Chem | China national standards | MT | 336.39 | USD | 20251011 |
| Shandong LuoHeng Chem | China national standards | MT | 336.39 | USD | 20251011 |
| Shandong LuoHeng Chem | China national standards | MT | 336.39 | USD | 20251010 |
| Shandong LuoHeng Chem | China national standards | MT | 336.14 | USD | 20251009 |