| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1452.73 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1396.31 | USD | 20251105 |
| Shandong Jinling Chem | China national standards | MT | 1078.97 | USD | 20251105 |
| Shandong Junfeng | China national standards | MT | 930.88 | USD | 20251105 |
| Shandong Jinmao | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Jinling Chem | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Aite Chem | China national standards | MT | 1481.27 | USD | 20251104 |
| Dongying Huatai Chem | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Yuxuan Chem | China national standards | MT | 1354.31 | USD | 20251104 |
| Jinan Aochen Chem | China national standards | MT | 1551.81 | USD | 20251104 |