| Vendor | Spec | Unit | Price | Currency | Date |
| Hangjin Tech | China national standards | MT | 1014.47 | USD | 20251020 |
| Shandong Jinling Chem | China national standards | MT | 1268.09 | USD | 20251020 |
| Aite Zhejiang | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1176.5 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1197.64 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1172.28 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1211.73 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 1211.73 | USD | 20251020 |
| Wanhua Chem | China national standards | MT | 1338.54 | USD | 20251020 |
| Shandong Jinwen Chem | China national standards | MT | 1211.73 | USD | 20251020 |