| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 911.62 | USD | 20251210 |
| Shandong Daoqin Chem | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 1201.36 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Daoqin Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Guangzhou Tianyue Chem | China national standards | MT | 1215.5 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Wuhan Hengjiu Chem | China national standards | MT | 1173.1 | USD | 20251210 |