| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 353.44 | USD | 20251204 |
| Luxi Chem | China national standards | MT | 339.3 | USD | 20251204 |
| Shandong Jiaen Chem | China national standards | MT | 332.24 | USD | 20251204 |
| Jinan Qi Mat | China national standards | MT | 233.27 | USD | 20251204 |
| Shandong Luxi Chem | China national standards | MT | 233.27 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 233.27 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 282.75 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 282.75 | USD | 20251204 |
| Luxi Chem | China national standards | MT | 325.17 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 325.17 | USD | 20251204 |