| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 593.4 | USD | 20251127 |
| Jinan Angxin Chem | China national standards | MT | 593.25 | USD | 20251126 |
| Jinan Angxin Chem | China national standards | MT | 593.0 | USD | 20251125 |
| Jinan Angxin Chem | China national standards | MT | 592.83 | USD | 20251124 |
| Jinan Angxin Chem | China national standards | MT | 592.59 | USD | 20251122 |
| Jinan Angxin Chem | China national standards | MT | 592.59 | USD | 20251122 |
| Jinan Angxin Chem | China national standards | MT | 592.59 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 592.59 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 620.55 | USD | 20251120 |
| Jinan Angxin Chem | China national standards | MT | 620.84 | USD | 20251119 |