| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 917.74 | USD | 20251125 |
| Shandong Jinshenrun Chem | China national standards | MT | 720.07 | USD | 20251125 |
| Zaozhuang Yitai | China national standards | MT | 1058.93 | USD | 20251125 |
| Wanhua Chem | China national standards | MT | 762.43 | USD | 20251125 |
| Shandong Xima | China national standards | MT | 748.31 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Liao Jinxinda | China national standards | MT | 720.07 | USD | 20251125 |
| Shandong Laya Chem | China national standards | MT | 790.67 | USD | 20251125 |
| Lihuayi Shandong | China national standards | MT | 847.15 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 713.01 | USD | 20251125 |