| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 974.56 | USD | 20251231 |
| Lihuayi Shandong | China national standards | MT | 974.56 | USD | 20251231 |
| Luxi Chem | China national standards | MT | 966.86 | USD | 20251229 |
| Lihuayi Shandong | China national standards | MT | 966.86 | USD | 20251229 |
| Lihuayi Shandong | China national standards | MT | 966.86 | USD | 20251229 |
| Luxi Chem | China national standards | MT | 952.27 | USD | 20251226 |
| Shandong HHL | China national standards | MT | 1002.02 | USD | 20251226 |
| Luxi Chem | China national standards | MT | 952.27 | USD | 20251226 |
| Shandong HHL | China national standards | MT | 1002.02 | USD | 20251226 |
| Luxi Chem | China national standards | MT | 944.71 | USD | 20251225 |