| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 1409.84 | USD | 20251021 |
| Baozhen Shandong Chem | China national standards | MT | 1409.84 | USD | 20251021 |
| Baozhen Shandong Chem | China national standards | MT | 1408.99 | USD | 20251020 |
| Baozhen Shandong Chem | China national standards | MT | 1408.99 | USD | 20251020 |
| Baozhen Shandong Chem | China national standards | MT | 1409.46 | USD | 20251017 |
| Baozhen Shandong Chem | China national standards | MT | 1409.46 | USD | 20251017 |
| Baozhen Shandong Chem | China national standards | MT | 1409.09 | USD | 20251016 |
| Baozhen Shandong Chem | China national standards | MT | 1409.09 | USD | 20251016 |
| Baozhen Shandong Chem | China national standards | MT | 1408.55 | USD | 20251015 |
| Baozhen Shandong Chem | China national standards | MT | 1408.55 | USD | 20251015 |