| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 785.17 | USD | 20250818 |
| Shandong Yeyang Chem | China national standards | MT | 757.13 | USD | 20250818 |
| Shandong Yeyang Chem | China national standards | MT | 771.15 | USD | 20250818 |
| Nanjing Baitu Chem | China national standards | MT | 743.11 | USD | 20250818 |
| Nanjing Baitu Chem | China national standards | MT | 743.11 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 686.55 | USD | 20250817 |
| Shandong Xingpeng Chem | China national standards | MT | 742.6 | USD | 20250817 |
| Anhui Ruibai | China national standards | MT | 686.55 | USD | 20250816 |
| Qingdao Shengze Chem | China national standards | MT | 686.55 | USD | 20250816 |
| Shandong Xingpeng Chem | China national standards | MT | 742.6 | USD | 20250816 |