| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 784.63 | USD | 20250815 |
| Shandong Yeyang Chem | China national standards | MT | 770.62 | USD | 20250815 |
| Shandong Yeyang Chem | China national standards | MT | 756.61 | USD | 20250815 |
| Anhui Ruibai | China national standards | MT | 813.04 | USD | 20250814 |
| Anhui Ruibai | China national standards | MT | 686.88 | USD | 20250814 |
| Qingdao Shengze Chem | China national standards | MT | 686.88 | USD | 20250814 |
| Shandong Xingpeng Chem | China national standards | MT | 742.95 | USD | 20250814 |
| Shandong Yeyang Chem | China national standards | MT | 756.97 | USD | 20250814 |
| Shandong Yeyang Chem | China national standards | MT | 770.99 | USD | 20250814 |
| Shandong Yeyang Chem | China national standards | MT | 785.01 | USD | 20250814 |