| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 847.51 | USD | 20251126 |
| Jinan Aochen Chem | China national standards | MT | 988.76 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 988.76 | USD | 20251126 |
| Wanhua Chem | China national standards | MT | 1031.13 | USD | 20251126 |
| Wanhua Chem | China national standards | MT | 1045.26 | USD | 20251126 |
| Wanhua Chem | China national standards | MT | 1073.51 | USD | 20251126 |
| Liaocheng Xinli | China national standards | MT | 791.01 | USD | 20251126 |
| Shandong Laya Chem | China national standards | MT | 791.01 | USD | 20251126 |
| Shandong Zhiheng | China national standards | MT | 805.13 | USD | 20251126 |
| Hubei 789 Chem | China national standards | MT | 819.26 | USD | 20251126 |