| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1273.24 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Yuxuan Chem | China national standards | MT | 1068.1 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 1273.24 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1082.25 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1082.25 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 976.15 | USD | 20251211 |