| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Jinan Jiaxing Chem | China national standards | MT | 1157.13 | USD | 20251113 |
| Shandong Xingpeng Chem | China national standards | MT | 883.37 | USD | 20251113 |
| Sinopec | China national standards | MT | 1199.46 | USD | 20251113 |
| Zibo Lishuo Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 865.03 | USD | 20251113 |
| Shaanxi Yanchang Petro | China national standards | MT | 1199.46 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 865.03 | USD | 20251113 |
| Zibo Lishuo Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Hanyue Chem | China national standards | MT | 931.35 | USD | 20251113 |