| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 975.37 | USD | 20260105 |
| Luxi Chem | China national standards | MT | 975.37 | USD | 20260105 |
| Luxi Chem | China national standards | MT | 981.68 | USD | 20260104 |
| Lihuayi Shandong | China national standards | MT | 981.68 | USD | 20260104 |
| Luxi Chem | China national standards | MT | 981.68 | USD | 20260104 |
| Lihuayi Shandong | China national standards | MT | 981.68 | USD | 20260104 |
| Luxi Chem | China national standards | MT | 974.56 | USD | 20251231 |
| Luxi Chem | China national standards | MT | 974.56 | USD | 20251231 |
| Lihuayi Shandong | China national standards | MT | 974.56 | USD | 20251231 |
| Lihuayi Shandong | China national standards | MT | 966.86 | USD | 20251229 |