| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 1088.2 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 960.6 | USD | 20251128 |
| Baozhen Shandong Chem | China national standards | MT | 1059.49 | USD | 20251128 |
| Baozhen Shandong Chem | China national standards | MT | 960.51 | USD | 20251126 |
| Baozhen Shandong Chem | China national standards | MT | 1059.38 | USD | 20251126 |
| Baozhen Shandong Chem | China national standards | MT | 960.1 | USD | 20251125 |
| Baozhen Shandong Chem | China national standards | MT | 1058.93 | USD | 20251125 |
| Baozhen Shandong Chem | China national standards | MT | 1002.16 | USD | 20251124 |
| Baozhen Shandong Chem | China national standards | MT | 1086.85 | USD | 20251124 |
| Baozhen Shandong Chem | China national standards | MT | 1100.96 | USD | 20251124 |