| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |
| Hunan JinyuChem | China national standards | MT | 891.27 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Yaoming Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Fusheng | China national standards | MT | 933.71 | USD | 20251211 |
| Aite Zhejiang | China national standards | MT | 1075.18 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |