| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Liaocheng Yuanze Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Jinshenrun Chem | China national standards | MT | 862.15 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Nantong Zhonghe Chem | China national standards | MT | 1122.21 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Yuxuan Chem | China national standards | MT | 1067.09 | USD | 20251210 |