| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 748.97 | USD | 20251208 |
| Baozhen Shandong Chem | China national standards | MT | 748.97 | USD | 20251208 |
| Baozhen Shandong Chem | China national standards | MT | 749.3 | USD | 20251204 |
| Baozhen Shandong Chem | China national standards | MT | 749.3 | USD | 20251204 |
| Baozhen Shandong Chem | China national standards | MT | 749.3 | USD | 20251204 |
| Baozhen Shandong Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 748.7 | USD | 20251128 |
| Baozhen Shandong Chem | China national standards | MT | 748.7 | USD | 20251128 |
| Baozhen Shandong Chem | China national standards | MT | 748.63 | USD | 20251126 |