| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.57 | USD | 20250908 |
| Qingdao Shengze Chem | China national standards | MT | 816.57 | USD | 20250908 |
| Aite Zhejiang | China national standards | MT | 844.73 | USD | 20250908 |
| Aite Zhejiang | China national standards | MT | 788.41 | USD | 20250908 |
| Aite Zhejiang | China national standards | MT | 788.41 | USD | 20250908 |
| Aite Zhejiang | China national standards | MT | 844.73 | USD | 20250908 |
| Shandong Mengkanda Chem | China national standards | MT | 781.37 | USD | 20250908 |
| Nanjing Baitu Chem | China national standards | MT | 816.57 | USD | 20250908 |
| Nanjing Baitu Chem | China national standards | MT | 816.57 | USD | 20250908 |
| Nanjing Baitu Chem | China national standards | MT | 901.04 | USD | 20250908 |