| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1314.23 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 904.41 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 1073.99 | USD | 20251208 |
| Shandong Yihe Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251207 |
| Shandong Zhenkun | China national standards | MT | 1081.29 | USD | 20251207 |
| Shandong Yihe Chem | China national standards | MT | 819.8 | USD | 20251207 |
| Jinan Qi Mat | China national standards | MT | 939.94 | USD | 20251207 |