| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 848.26 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 721.02 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 763.43 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 728.09 | USD | 20251204 |
| Zibo Lishuo Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 728.09 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 728.09 | USD | 20251204 |
| Shandong Zhongke Taihua | China national standards | MT | 947.22 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 855.33 | USD | 20251204 |