| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 367.34 | USD | 20251127 |
| Shandong Jinling Chem | China national standards | MT | 240.18 | USD | 20251127 |
| Shandong Aite Chem | China national standards | MT | 282.57 | USD | 20251127 |
| Shandong Hanyue Chem | China national standards | MT | 268.44 | USD | 20251127 |
| Shandong Mingyu | China national standards | MT | 346.15 | USD | 20251127 |
| Luxi Chem | China national standards | MT | 339.08 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 240.18 | USD | 20251127 |
| Luxi Chem | China national standards | MT | 324.96 | USD | 20251127 |
| Shandong Jinling Chem | China national standards | MT | 247.25 | USD | 20251127 |
| Shandong Hanyue Chem | China national standards | MT | 268.44 | USD | 20251127 |