| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 858.08 | USD | 20250929 |
| Shandong Jiaen Chem | China national standards | MT | 956.55 | USD | 20250929 |
| Qingdao Shengze Chem | China national standards | MT | 815.88 | USD | 20250929 |
| Luxi Chem | China national standards | MT | 815.88 | USD | 20250929 |
| Lihuayi Shandong | China national standards | MT | 815.88 | USD | 20250929 |
| Qingdao Shengze Chem | China national standards | MT | 815.88 | USD | 20250929 |
| Shandong Yuxuan Chem | China national standards | MT | 844.01 | USD | 20250929 |
| Nantong Zhonghe Chem | China national standards | MT | 893.25 | USD | 20250929 |
| Aite Zhejiang | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Energy | China national standards | MT | 1012.81 | USD | 20250929 |