| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 1114.17 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 1198.79 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 818.0 | USD | 20251120 |
| Wanhua Yantai | China national standards | MT | 895.56 | USD | 20251120 |
| Zibo Lishuo Chem | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 944.93 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 888.51 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 888.51 | USD | 20251120 |
| Liaocheng Xinli | China national standards | MT | 789.79 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 1241.1 | USD | 20251120 |