| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 911.61 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 975.21 | USD | 20251203 |
| Nanjing Daze | China national standards | MT | 1130.68 | USD | 20251203 |
| Nantong Zhonghe Chem | China national standards | MT | 954.01 | USD | 20251203 |
| Shandong Hualu | China national standards | MT | 975.21 | USD | 20251203 |
| Guangzhou Tianyue Chem | China national standards | MT | 1229.61 | USD | 20251203 |
| Shandong Daoqin Chem | China national standards | MT | 918.68 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 975.21 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 1102.41 | USD | 20251203 |
| Shandong Guanjiu Energy | China national standards | MT | 961.08 | USD | 20251203 |