| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1082.25 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Fusheng | China national standards | MT | 820.53 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 1082.25 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1131.77 | USD | 20251211 |