| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 804.45 | USD | 20251110 |
| Zibo Lishuo Chem | China national standards | MT | 846.79 | USD | 20251110 |
| Shandong Aite Chem | China national standards | MT | 945.58 | USD | 20251110 |
| Shandong Aite Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Wanhua Yantai | China national standards | MT | 896.18 | USD | 20251110 |
| Wanhua Yantai | China national standards | MT | 818.56 | USD | 20251110 |
| Shandong Yeyang Chem | China national standards | MT | 790.34 | USD | 20251110 |
| Shandong Yeyang Chem | China national standards | MT | 818.56 | USD | 20251110 |
| Hubei 789 Chem | China national standards | MT | 818.56 | USD | 20251110 |
| Hubei 789 Chem | China national standards | MT | 818.56 | USD | 20251110 |