| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 180.82 | USD | 20251128 |
| Jinan Angxin Chem | China national standards | MT | 180.84 | USD | 20251127 |
| Jinan Angxin Chem | China national standards | MT | 180.8 | USD | 20251126 |
| Jinan Angxin Chem | China national standards | MT | 180.72 | USD | 20251125 |
| Jinan Angxin Chem | China national standards | MT | 180.67 | USD | 20251124 |
| Jinan Angxin Chem | China national standards | MT | 180.6 | USD | 20251122 |
| Jinan Angxin Chem | China national standards | MT | 180.6 | USD | 20251122 |
| Jinan Angxin Chem | China national standards | MT | 180.6 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 180.6 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 180.52 | USD | 20251120 |