| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 181.08 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 180.91 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 180.86 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 180.88 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 180.92 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 180.96 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 180.91 | USD | 20251203 |
| Jinan Angxin Chem | China national standards | MT | 180.81 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 180.9 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 180.82 | USD | 20251128 |