| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petro | China national standards | MT | 960.53 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 1080.6 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 889.91 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 904.03 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1108.85 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 889.91 | USD | 20251202 |
| Hualu Holdings | China national standards | MT | 1313.67 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 946.41 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1045.29 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 918.16 | USD | 20251202 |