| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 797.39 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 939.05 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 861.39 | USD | 20251117 |
| Guangzhou Tianyue Chem | China national standards | MT | 960.23 | USD | 20251117 |
| Nanjing Baitu Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Nanjing Baitu Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Nanjing Baitu Chem | China national standards | MT | 903.75 | USD | 20251117 |
| Nanjing Baitu Chem | China national standards | MT | 903.75 | USD | 20251117 |