| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 961.14 | USD | 20251205 |
| Shandong Xima | China national standards | MT | 989.41 | USD | 20251205 |
| Hualu Holdings | China national standards | MT | 1314.51 | USD | 20251205 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1314.51 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251205 |
| Jinan Zhongyin Mat | China national standards | MT | 975.28 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 869.27 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1286.24 | USD | 20251205 |