| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jiaxing Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Changyi Petro | China national standards | MT | 742.23 | USD | 20251204 |
| Shandong Dongming Petro | China national standards | MT | 933.09 | USD | 20251204 |
| Derun Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Zhiheng | China national standards | MT | 975.5 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Jinan Jiaxing Chem | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 933.09 | USD | 20251204 |