| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 733.69 | USD | 20251121 |
| JIN Yimeng | China national standards | MT | 719.58 | USD | 20251121 |
| Nantong Zhonghe Chem | China national standards | MT | 705.47 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 733.69 | USD | 20251121 |
| Nantong Zhonghe Chem | China national standards | MT | 691.36 | USD | 20251121 |
| JIN Yimeng | China national standards | MT | 712.52 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 719.58 | USD | 20251121 |
| Hubei 789 Chem | China national standards | MT | 768.96 | USD | 20251121 |