| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1551.46 | USD | 20251105 |
| Shandong Qiangsen Chem | China national standards | MT | 1114.23 | USD | 20251105 |
| Shandong Yuxuan Chem | China national standards | MT | 1311.69 | USD | 20251105 |
| Dongying Huatai Chem | China national standards | MT | 1100.13 | USD | 20251105 |
| Shandong Jinling Chem | China national standards | MT | 1057.81 | USD | 20251105 |
| Shandong Yeyang Chem | China national standards | MT | 1114.23 | USD | 20251105 |
| Sinopec | China national standards | MT | 1093.07 | USD | 20251105 |
| Nanjing Baitu Chem | China national standards | MT | 1480.94 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1396.31 | USD | 20251105 |
| Shandong Jinling Chem | China national standards | MT | 1078.97 | USD | 20251105 |