| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1087.99 | USD | 20251209 |
| Sinopec | China national standards | MT | 1059.73 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1059.73 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1031.47 | USD | 20251209 |
| Shandong Tongzhou Chem | China national standards | MT | 1412.97 | USD | 20251209 |
| Qingdao Xupu | China national standards | MT | 1031.47 | USD | 20251209 |
| Sinopec | China national standards | MT | 1073.86 | USD | 20251209 |
| Sinopec | China national standards | MT | 1031.47 | USD | 20251209 |
| Shandong Qiangsen Chem | China national standards | MT | 1257.54 | USD | 20251209 |
| Shandong Henrui Chem | China national standards | MT | 1031.47 | USD | 20251209 |