| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 747.8 | USD | 20251121 |
| Shandong Zhongke Taihua | China national standards | MT | 945.33 | USD | 20251121 |
| Shandong Fusheng | China national standards | MT | 705.47 | USD | 20251121 |
| Shijiaz Bailong Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Zhongke Taihua | China national standards | MT | 945.33 | USD | 20251121 |
| Tangshan Huayi | China national standards | MT | 888.89 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Feiyang Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Changzhou Qidi Chem | China national standards | MT | 705.47 | USD | 20251121 |