| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1130.76 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 1342.78 | USD | 20251205 |
| Shandong Jinwen Chem | China national standards | MT | 1215.56 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 1144.89 | USD | 20251205 |
| Shandong Mingyu | China national standards | MT | 1257.97 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 1257.97 | USD | 20251205 |
| Shandong Mingyu | China national standards | MT | 1215.56 | USD | 20251205 |
| Shandong Junfeng | China national standards | MT | 1201.43 | USD | 20251205 |
| Befar | China national standards | MT | 1116.62 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1208.5 | USD | 20251205 |