| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong Laya Chem | China national standards | MT | 1002.22 | USD | 20251029 |
| Nanjing Runsheng Petro | China national standards | MT | 889.29 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1256.3 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Fusheng | China national standards | MT | 1058.68 | USD | 20251029 |
| Shandong Fusheng | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1256.07 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1129.05 | USD | 20251028 |