| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 698.12 | USD | 20251120 |
| Shandong Yushuo Chem | China national standards | MT | 726.32 | USD | 20251120 |
| Tangshan Huayi | China national standards | MT | 888.51 | USD | 20251120 |
| Jinan Jinrihe Chem | China national standards | MT | 698.12 | USD | 20251120 |
| Zibo Lishuo Chem | China national standards | MT | 818.0 | USD | 20251120 |
| Shandong Fusheng | China national standards | MT | 705.17 | USD | 20251120 |
| Shandong Shuojia Chem | China national standards | MT | 726.32 | USD | 20251120 |
| Jinan Jinrihe Chem | China national standards | MT | 691.07 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Laya Chem | China national standards | MT | 747.48 | USD | 20251120 |