| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1213.73 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1213.73 | USD | 20251118 |
| Shandong Jinling Chem | China national standards | MT | 1143.16 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1143.16 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1093.77 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1188.33 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1241.96 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1121.99 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 1129.05 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 1171.39 | USD | 20251118 |