| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1073.86 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1087.99 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1554.27 | USD | 20251209 |
| Shandong Hanyue Chem | China national standards | MT | 1116.24 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1554.46 | USD | 20251208 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1088.12 | USD | 20251208 |
| Shandong Hanyue Chem | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Hanyue Chem | China national standards | MT | 1116.39 | USD | 20251208 |
| Sinopec | China national standards | MT | 1073.99 | USD | 20251208 |
| Shandong Daoqin Chem | China national standards | MT | 1201.18 | USD | 20251208 |