| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 860.31 | USD | 20251120 |
| Jinan Angxin Chem | China national standards | MT | 860.31 | USD | 20251120 |
| Shandong Zhenkun | China national standards | MT | 1078.91 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Laya Chem | China national standards | MT | 1001.81 | USD | 20251119 |
| Nanjing Runsheng Petro | China national standards | MT | 888.93 | USD | 20251119 |
| Shandong Shuojia Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Zhenkun | China national standards | MT | 1079.41 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Xima | China national standards | MT | 987.7 | USD | 20251119 |