| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 565.88 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 565.35 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 565.19 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 565.26 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 565.38 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 565.51 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | USD | 20251203 | |
| Jinan Angxin Chem | China national standards | MT | USD | 20251202 | |
| Jinan Angxin Chem | China national standards | MT | USD | 20251201 | |
| Jinan Angxin Chem | China national standards | MT | USD | 20251128 |