| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1340.29 | USD | 20251031 |
| Dongying HuataiChem | China national standards | MT | 1058.13 | USD | 20251031 |
| Befar | China national standards | MT | 888.83 | USD | 20251031 |
| Dongying HuataiChem | China national standards | MT | 1058.13 | USD | 20251031 |
| Dongying HuataiChem | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1340.29 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1029.91 | USD | 20251031 |
| Shandong Junfeng | China national standards | MT | 1199.21 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1036.96 | USD | 20251031 |