| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Zibo Lishuo Chem | China national standards | MT | 917.74 | USD | 20251125 |
| Luxi Chem | China national standards | MT | 748.31 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 804.79 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 804.79 | USD | 20251125 |
| Liao Jinxinda | China national standards | MT | 720.07 | USD | 20251125 |
| Zibo Lishuo Chem | China national standards | MT | 917.74 | USD | 20251125 |
| Shandong Energy | China national standards | MT | 1016.58 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 2160.22 | USD | 20251125 |
| Aite Zhejiang | China national standards | MT | 988.34 | USD | 20251125 |