| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 578.03 | USD | 20251021 |
| Shandong LuoHeng Chem | China national standards | MT | 577.88 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 577.88 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 577.88 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 577.88 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 577.88 | USD | 20251017 |
| Shandong LuoHeng Chem | China national standards | MT | 577.29 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 577.29 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 577.29 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 577.41 | USD | 20251013 |