| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1099.01 | USD | 20251020 |
| Shandong Yeyang Chem | China national standards | MT | 1254.0 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 1408.99 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 1331.49 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1430.12 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1430.12 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1430.12 | USD | 20251020 |
| Shandong Zhenkun | China national standards | MT | 997.56 | USD | 20251020 |
| Shandong Zhenkun | China national standards | MT | 997.56 | USD | 20251020 |
| Shandong Jinshenrun Chem | China national standards | MT | 1099.38 | USD | 20251019 |