| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 701.06 | USD | 20250822 |
| Shandong Jinwen Chem | China national standards | MT | 785.18 | USD | 20250822 |
| Shandong Yeyang Chem | China national standards | MT | 785.18 | USD | 20250822 |
| Shandong Yeyang Chem | China national standards | MT | 757.14 | USD | 20250822 |
| Shandong Yeyang Chem | China national standards | MT | 771.16 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 687.36 | USD | 20250821 |
| Anhui Ruibai | China national standards | MT | 813.61 | USD | 20250821 |
| Anhui Ruibai | China national standards | MT | 687.36 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 687.36 | USD | 20250821 |
| Shandong Xingpeng Chem | China national standards | MT | 743.47 | USD | 20250821 |