| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 346.25 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 240.25 | USD | 20251201 |
| Shanghai SKY Chem | China national standards | MT | 459.31 | USD | 20251201 |
| Jiangsu LeeMan Chem | China national standards | MT | 240.25 | USD | 20251201 |
| Shandong Yushuo Chem | China national standards | MT | 240.25 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 384.4 | USD | 20251201 |
| Shandong Zhenkun | China national standards | MT | 303.85 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 296.78 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 452.24 | USD | 20251201 |
| Shanghai SKY Chem | China national standards | MT | 459.31 | USD | 20251201 |