| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1107.12 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1255.2 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1100.06 | USD | 20251120 |
| Shandong Yushuo Chem | China national standards | MT | 832.1 | USD | 20251120 |
| Jinan Angxin Chem | China national standards | MT | 860.31 | USD | 20251120 |
| Jinan Angxin Chem | China national standards | MT | 860.31 | USD | 20251120 |
| Shandong Zhenkun | China national standards | MT | 1078.91 | USD | 20251120 |
| Shandong Fusheng | China national standards | MT | 818.0 | USD | 20251120 |
| Shandong Yihe Chem | China national standards | MT | 818.0 | USD | 20251120 |