| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haili Chem | China national standards | MT | 1695.9 | USD | 20251201 |
| Shandong Haili Chem | China national standards | MT | 1695.18 | USD | 20251129 |
| Shandong Haili Chem | China national standards | MT | 1709.55 | USD | 20251127 |
| Shandong Haili Chem | China national standards | MT | 1737.39 | USD | 20251126 |
| Shandong Haili Chem | China national standards | MT | 1736.65 | USD | 20251125 |
| Shandong Haili Chem | China national standards | MT | 1736.14 | USD | 20251124 |
| Shandong Haili Chem | China national standards | MT | 1199.29 | USD | 20251122 |
| Shandong Haili Chem | China national standards | MT | 1735.45 | USD | 20251121 |
| Shandong Haili Chem | China national standards | MT | 1735.52 | USD | 20251119 |
| Shandong Haili Chem | China national standards | MT | 1735.92 | USD | 20251118 |