| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chem | China national standards | MT | 522.01 | USD | 20251101 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.01 | USD | 20251101 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.01 | USD | 20251031 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.01 | USD | 20251031 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.13 | USD | 20251030 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.13 | USD | 20251030 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.28 | USD | 20251029 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.28 | USD | 20251029 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.19 | USD | 20251028 |
| Guangzhou Tianyue Chem | China national standards | MT | 522.19 | USD | 20251028 |