| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 988.04 | USD | 20251124 |
| Shandong Xima | China national standards | MT | 973.93 | USD | 20251124 |
| Lihuayi Shandong | China national standards | MT | 895.94 | USD | 20251123 |
| Shaanxi Yanchang Petro | China national standards | MT | 895.94 | USD | 20251123 |
| Shandong Xingpeng Chem | China national standards | MT | 891.71 | USD | 20251123 |
| Sinopec | China national standards | MT | 895.94 | USD | 20251123 |
| Sinopec | China national standards | MT | 895.94 | USD | 20251123 |
| Shandong Xima | China national standards | MT | 973.54 | USD | 20251122 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.09 | USD | 20251122 |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251122 |