| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 763.21 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 961.08 | USD | 20251203 |
| Luxi Chem | China national standards | MT | 1484.02 | USD | 20251203 |
| Zibo Lishuo Chem | China national standards | MT | 918.68 | USD | 20251203 |
| Shandong Junfeng | China national standards | MT | 2162.42 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 713.74 | USD | 20251203 |
| Shandong Yeyang Chem | China national standards | MT | 777.34 | USD | 20251203 |
| Wanhua Chem | China national standards | MT | 1024.68 | USD | 20251203 |
| Shandong Junfeng | China national standards | MT | 2162.42 | USD | 20251203 |
| Luxi Chem | China national standards | MT | 975.21 | USD | 20251203 |