| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1314.41 | USD | 20251203 |
| Liaocheng Yuanze Chem | China national standards | MT | 876.28 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 869.21 | USD | 20251203 |
| Jinan Aochen Chem | China national standards | MT | 1314.41 | USD | 20251203 |
| Shandong Yihe Chem | China national standards | MT | 819.74 | USD | 20251203 |
| Shandong Yaoming Chem | China national standards | MT | 819.74 | USD | 20251203 |
| Shandong Jinshenrun Chem | China national standards | MT | 862.14 | USD | 20251203 |
| Jinan Qi Mat | China national standards | MT | 904.54 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 946.94 | USD | 20251203 |
| Nantong Zhonghe Chem | China national standards | MT | 1122.2 | USD | 20251203 |