| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Huijie Chem | China national standards | MT | 1653.64 | USD | 20251210 |
| Zibo Huijie Chem | China national standards | MT | 1653.38 | USD | 20251208 |
| Zibo Huijie Chem | China national standards | MT | 1653.73 | USD | 20251205 |
| Zibo Huijie Chem | China national standards | MT | 1654.11 | USD | 20251204 |
| Zibo Huijie Chem | China national standards | MT | 1653.62 | USD | 20251203 |
| Zibo Huijie Chem | China national standards | MT | 1652.68 | USD | 20251202 |
| Zibo Huijie Chem | China national standards | MT | 1652.8 | USD | 20251128 |
| Zibo Huijie Chem | China national standards | MT | 1653.03 | USD | 20251127 |
| Zibo Huijie Chem | China national standards | MT | 1652.64 | USD | 20251126 |
| Zibo Huijie Chem | China national standards | MT | 1651.24 | USD | 20251118 |