| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 1342.7 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 1512.3 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 1653.64 | USD | 20251210 |
| Jinan Qi Mat | China national standards | MT | 1526.44 | USD | 20251210 |
| Shandong Yuxuan Chem | China national standards | MT | 1823.24 | USD | 20251210 |
| Jinan Jiaxing Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 1512.3 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 925.76 | USD | 20251210 |
| Nantong Zhonghe Chem | China national standards | MT | 1582.97 | USD | 20251210 |
| Shandong Jinshenrun Chem | China national standards | MT | 1582.52 | USD | 20251209 |