| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 1931.81 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 1099.86 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 1113.96 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1431.23 | USD | 20251023 |
| Shandong Zhiheng | China national standards | MT | 1410.08 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1431.23 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1431.23 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1262.02 | USD | 20251023 |
| Shandong Junfeng | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1395.98 | USD | 20251023 |