| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 787.74 | USD | 20250929 |
| Qingdao Chengxin Chem | China national standards | MT | 787.74 | USD | 20250929 |
| Qingdao Chengxin Chem | China national standards | MT | 787.05 | USD | 20250928 |
| Qingdao Chengxin Chem | China national standards | MT | 787.05 | USD | 20250928 |
| Qingdao Chengxin Chem | China national standards | MT | 787.05 | USD | 20250926 |
| Qingdao Chengxin Chem | China national standards | MT | 787.05 | USD | 20250926 |
| Qingdao Chengxin Chem | China national standards | MT | 788.1 | USD | 20250925 |
| Qingdao Chengxin Chem | China national standards | MT | 788.1 | USD | 20250925 |
| Qingdao Chengxin Chem | China national standards | MT | 788.1 | USD | 20250924 |
| Qingdao Chengxin Chem | China national standards | MT | 788.1 | USD | 20250924 |