| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Zhonghu Chem | China national standards | MT | 742.02 | USD | 20251210 |
| Jinan Qi Mat | China national standards | MT | 763.22 | USD | 20251210 |
| Jinan Qi Mat | China national standards | MT | 763.22 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 869.22 | USD | 20251210 |
| Liao Jinxinda | China national standards | MT | 784.42 | USD | 20251210 |
| Shandong Jiaen Chem | China national standards | MT | 848.02 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 763.22 | USD | 20251210 |