| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1074.22 | USD | 20251205 |
| Hualu Holdings | China national standards | MT | 1314.51 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1314.51 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 961.14 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1109.56 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1130.76 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 869.27 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 1257.97 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 961.14 | USD | 20251205 |