| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1081.29 | USD | 20251205 |
| Befar | China national standards | MT | 890.47 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1088.35 | USD | 20251205 |
| Shandong Jinling | China national standards | MT | 1074.22 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 1342.78 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1180.23 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1144.89 | USD | 20251205 |
| Dongying HuataiChem | China national standards | MT | 1088.35 | USD | 20251205 |
| Dongying HuataiChem | China national standards | MT | 1088.35 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1031.82 | USD | 20251205 |