| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 506.7 | USD | 20251010 |
| Shandong Fusheng | China national standards | MT | 703.75 | USD | 20251010 |
| Shandong Fusheng | China national standards | MT | 703.75 | USD | 20251010 |
| Shandong Junfeng | China national standards | MT | 619.3 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 668.56 | USD | 20251010 |
| Shandong Zhiheng | China national standards | MT | 633.37 | USD | 20251010 |
| Shandong Zhenkun | China national standards | MT | 605.22 | USD | 20251010 |
| Shandong Zhenkun | China national standards | MT | 605.22 | USD | 20251010 |
| Shandong Zhenkun | China national standards | MT | 605.22 | USD | 20251010 |
| Shandong Zhenkun | China national standards | MT | 605.22 | USD | 20251010 |