| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 268.56 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 325.09 | USD | 20251205 |
| Luxi Chem | China national standards | MT | 325.09 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 282.69 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 370.32 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 282.69 | USD | 20251205 |
| Liaocheng Xinli | China national standards | MT | 247.35 | USD | 20251205 |
| Liaocheng Xinli | China national standards | MT | 275.62 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 233.22 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 233.22 | USD | 20251205 |