| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1200.67 | USD | 20251202 |
| Shandong Mingyu | China national standards | MT | 1228.92 | USD | 20251202 |
| Shandong Mingyu | China national standards | MT | 1257.17 | USD | 20251202 |
| Hangjin Tech | China national standards | MT | 1017.04 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 1144.16 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1049.52 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 1122.98 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 988.78 | USD | 20251202 |
| Xiamen Yudeshun Chem | China national standards | MT | 1624.43 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 1115.91 | USD | 20251202 |