| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Qirun Chem | China national standards | MT | 946.5 | USD | 20260424 |
| Dongying Qirun Chem | China national standards | MT | 939.75 | USD | 20260423 |
| Dongying Qirun Chem | China national standards | MT | 939.75 | USD | 20260422 |
| Dongying Qirun Chem | China national standards | MT | 962.18 | USD | 20260421 |
| Dongying Qirun Chem | China national standards | MT | 973.08 | USD | 20260420 |
| Dongying Qirun Chem | China national standards | MT | 990.94 | USD | 20260417 |
| Dongying Qirun Chem | China national standards | MT | USD | 20260416 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20260415 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20260414 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20260413 |