| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1342.78 | USD | 20251205 |
| Shandong Junfeng | China national standards | MT | 1201.43 | USD | 20251205 |
| Befar | China national standards | MT | 890.47 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1175.99 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 1130.76 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1123.69 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1031.82 | USD | 20251205 |
| Befar | China national standards | MT | 1116.62 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1088.35 | USD | 20251205 |