| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 980.27 | USD | 20250806 |
| Shandong Junfeng | China national standards | MT | 1190.33 | USD | 20250806 |
| Shandong Jinwen Chem | China national standards | MT | 1204.33 | USD | 20250806 |
| Aite Zhejiang | China national standards | MT | 1120.31 | USD | 20250806 |
| Qingdao Shengze Chem | China national standards | MT | 1008.88 | USD | 20250805 |
| Shandong Xingpeng Chem | China national standards | MT | 1064.93 | USD | 20250805 |
| Aite Zhejiang | China national standards | MT | 1120.98 | USD | 20250805 |
| Shandong Qiangsen Chem | China national standards | MT | 980.86 | USD | 20250805 |
| Shandong Langchem | China national standards | MT | 1170.02 | USD | 20250805 |
| Shandong Langchem | China national standards | MT | 1191.04 | USD | 20250805 |