| Vendor | Spec | Unit | Price | Currency | Date |
| Hangjin Tech | China national standards | MT | 1017.01 | USD | 20251126 |
| Shandong Aite Chem | China national standards | MT | 1271.26 | USD | 20251126 |
| Shandong Jinling Chem | China national standards | MT | 1172.38 | USD | 20251126 |
| Befar | China national standards | MT | 1144.13 | USD | 20251126 |
| Dongying HuataiChem | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Yihe Chem | China national standards | MT | 1059.38 | USD | 20251126 |
| Shandong Mingyu | China national standards | MT | 1228.88 | USD | 20251126 |
| Shandong Aite Chem | China national standards | MT | 1144.13 | USD | 20251126 |
| Dongying HuataiChem | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Yihe Chem | China national standards | MT | 988.76 | USD | 20251126 |