| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 832.45 | USD | 20251121 |
| Zibo Lishuo Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Jinwen Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1142.37 | USD | 20251120 |
| Satellite Chem | China national standards | MT | 803.89 | USD | 20251120 |
| Satellite Chem | China national standards | MT | 832.1 | USD | 20251120 |
| Satellite Chem | China national standards | MT | 789.79 | USD | 20251120 |
| Jinan Jinhao Chem | China national standards | MT | 1114.17 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 818.0 | USD | 20251120 |