| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 897.03 | USD | 20251128 |
| Shandong Hongyang Chem | China national standards | MT | 897.16 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 896.94 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 895.94 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 895.98 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 896.69 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 895.25 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 894.71 | USD | 20251020 |