| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 623.94 | USD | 20250822 |
| Shandong Jinwen Chem | China national standards | MT | 504.76 | USD | 20250822 |
| Shandong Mengkanda Chem | China national standards | MT | 532.8 | USD | 20250822 |
| Shandong Fusheng | China national standards | MT | 701.06 | USD | 20250822 |
| Shandong Fusheng | China national standards | MT | 701.06 | USD | 20250822 |
| Nanjing Daze | China national standards | MT | 771.16 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 540.07 | USD | 20250821 |
| Shandong Mengkanda Chem | China national standards | MT | 533.06 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 540.07 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 540.07 | USD | 20250821 |