| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1030.26 | USD | 20251118 |
| Sinopec | China national standards | MT | 896.18 | USD | 20251118 |
| Jinan Jiaxing Chem | China national standards | MT | 1157.28 | USD | 20251118 |
| Sinopec | China national standards | MT | 1199.62 | USD | 20251118 |
| Sinopec | China national standards | MT | 896.18 | USD | 20251118 |
| Zibo Lishuo Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Sinopec | China national standards | MT | 903.24 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 973.81 | USD | 20251118 |
| Zibo Lishuo Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Xiamen Yudeshun Chem | China national standards | MT | 1340.75 | USD | 20251118 |