| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 444.22 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 443.8 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 443.67 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 443.73 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 445.34 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 438.14 | USD | 20251203 |
| Jinan Angxin Chem | China national standards | MT | 437.89 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 438.11 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 437.92 | USD | 20251128 |
| Jinan Angxin Chem | China national standards | MT | 437.98 | USD | 20251127 |