| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Yeyang Chem | China national standards | MT | 1239.91 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 1169.46 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1120.14 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1186.37 | USD | 20251020 |