| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jiaxing Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Derun Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Yihe Chem | China national standards | MT | 798.78 | USD | 20251204 |
| Shandong Mingyu | China national standards | MT | 876.54 | USD | 20251204 |
| Shandong Yaoming Chem | China national standards | MT | 742.23 | USD | 20251204 |
| Qilu Petrochem | China national standards | MT | 728.09 | USD | 20251204 |
| Sinopec | China national standards | MT | 1095.67 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1116.88 | USD | 20251204 |
| Sinopec | China national standards | MT | 728.09 | USD | 20251204 |
| Shandong Chambroad | China national standards | MT | 728.09 | USD | 20251204 |