| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 973.54 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 973.54 | USD | 20251121 |
| Shandong Yushuo Chem | China national standards | MT | 973.54 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 973.54 | USD | 20251121 |
| Zibo Dehe Chem | China national standards | MT | 945.33 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |