| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 975.22 | USD | 20251210 |
| Guangzhou Tianyue Chem | China national standards | MT | 1229.63 | USD | 20251210 |
| Nantong Zhonghe Chem | China national standards | MT | 904.56 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 911.62 | USD | 20251210 |