| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 1009.22 | USD | 20251124 |
| Baozhen Shandong Chem | China national standards | MT | 1058.2 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 959.44 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 1059.08 | USD | 20251117 |
| Baozhen Shandong Chem | China national standards | MT | 960.23 | USD | 20251117 |
| Baozhen Shandong Chem | China national standards | MT | 959.57 | USD | 20251113 |
| Baozhen Shandong Chem | China national standards | MT | 1058.35 | USD | 20251113 |
| Baozhen Shandong Chem | China national standards | MT | 960.0 | USD | 20251112 |
| Baozhen Shandong Chem | China national standards | MT | 1058.83 | USD | 20251112 |
| Baozhen Shandong Chem | China national standards | MT | 1001.89 | USD | 20251111 |