| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 742.02 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 2162.45 | USD | 20251210 |
| Wanhua Chem | China national standards | MT | 1024.69 | USD | 20251210 |
| Luxi Chem | China national standards | MT | 975.22 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 961.09 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 742.02 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 918.69 | USD | 20251210 |