| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1044.81 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Jinan Zhongyin Mat | China national standards | MT | 868.33 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Jinan Aochen Chem | China national standards | MT | 1313.08 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 1121.06 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |