| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1080.92 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 861.91 | USD | 20251209 |
| Jinan Qi Mat | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Zhiheng | China national standards | MT | 1257.54 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1109.18 | USD | 20251209 |
| Aite Zhejiang | China national standards | MT | 1073.86 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1130.37 | USD | 20251209 |