| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1296.27 | USD | 20251020 |
| Shandong Jinmao | China national standards | MT | 1296.27 | USD | 20251020 |
| Aite Zhejiang | China national standards | MT | 1380.81 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1211.73 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1261.04 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1254.0 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1394.9 | USD | 20251020 |
| Shandong Jinwen Chem | China national standards | MT | 1211.73 | USD | 20251020 |
| Shandong Yeyang Chem | China national standards | MT | 1099.01 | USD | 20251020 |
| Shandong Yeyang Chem | China national standards | MT | 1113.1 | USD | 20251020 |