| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 593.78 | USD | 20251204 |
| Shandong Fusheng | China national standards | MT | 565.51 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.78 | USD | 20251204 |
| Shandong Fusheng | China national standards | MT | 579.64 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 565.34 | USD | 20251203 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.61 | USD | 20251203 |
| Shandong Fusheng | China national standards | MT | 565.34 | USD | 20251203 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.61 | USD | 20251203 |
| Shandong Fusheng | China national standards | MT | 579.47 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 565.34 | USD | 20251203 |