| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hebang Chem | China national standards | MT | 1356.05 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 1582.05 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 1638.56 | USD | 20251202 |
| Jiangsu Yingte Chem | China national standards | MT | 1144.16 | USD | 20251202 |
| Zibo Feiyuan Chem | China national standards | MT | 1553.8 | USD | 20251202 |
| Jinan Qi Mat | China national standards | MT | 1525.55 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 1567.93 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 1695.06 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 1567.93 | USD | 20251202 |
| Qingdao Shengze Chem | China national standards | MT | 1539.68 | USD | 20251202 |