| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1073.2 | USD | 20251117 |
| Wuhan Hengjiu Chem | China national standards | MT | 1108.51 | USD | 20251117 |
| Shandong Yaoming Chem | China national standards | MT | 960.23 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 1108.51 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 1108.51 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 1270.9 | USD | 20251117 |
| Shaanxi Bidiou Chem | China national standards | MT | 1073.2 | USD | 20251117 |
| Wuhan Hengjiu Chem | China national standards | MT | 1073.2 | USD | 20251117 |
| Henan Kaixiang Chem | China national standards | MT | 1073.07 | USD | 20251116 |
| Qingdao Shengze Chem | China national standards | MT | 1073.07 | USD | 20251116 |