| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1314.8 | USD | 20251204 |
| Hualu Holdings | China national standards | MT | 1314.8 | USD | 20251204 |
| Liaocheng Yuanze Chem | China national standards | MT | 876.54 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 890.67 | USD | 20251204 |
| Aite Zhejiang | China national standards | MT | 1032.05 | USD | 20251204 |
| Lihuayi Shandong | China national standards | MT | 946.94 | USD | 20251203 |
| Hubei 789 Chem | China national standards | MT | 1272.01 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 869.21 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 869.21 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 869.21 | USD | 20251203 |