| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Nantong Zhonghe Chem | China national standards | MT | 1789.54 | USD | 20251016 |
| Qingdao Shengze Chem | China national standards | MT | 1592.27 | USD | 20251016 |
| Qingdao Shengze Chem | China national standards | MT | 1592.27 | USD | 20251016 |
| Shandong Yuxuan Chem | China national standards | MT | 1859.99 | USD | 20251016 |
| Shandong Jinshenrun Chem | China national standards | MT | 1578.18 | USD | 20251016 |
| Shandong Yaowang Chem | China national standards | MT | 1726.13 | USD | 20251016 |
| Shandong Yushuo Chem | China national standards | MT | 1747.27 | USD | 20251016 |
| Shandong Yushuo Chem | China national standards | MT | 1747.27 | USD | 20251016 |