| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 712.8 | USD | 20251124 |
| Zibo Lishuo Chem | China national standards | MT | 917.47 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 776.32 | USD | 20251124 |
| Luxi Chem | China national standards | MT | 776.32 | USD | 20251124 |
| Nanjing Baitu Chem | China national standards | MT | 846.9 | USD | 20251124 |
| Aite Zhejiang | China national standards | MT | 988.04 | USD | 20251124 |
| Shandong Xima | China national standards | MT | 748.09 | USD | 20251124 |
| Shandong Qiangsen Chem | China national standards | MT | 818.67 | USD | 20251124 |
| Nanjing Baitu Chem | China national standards | MT | 846.9 | USD | 20251124 |
| Shandong Laya Chem | China national standards | MT | 790.44 | USD | 20251124 |