| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 1075.18 | USD | 20251211 |
| Shandong Yaoming Chem | China national standards | MT | 962.0 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 976.15 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 1075.18 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1273.24 | USD | 20251211 |
| Shandong Yaoming Chem | China national standards | MT | 962.0 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shaanxi Bidiou Chem | China national standards | MT | 1075.18 | USD | 20251211 |
| Henan Kaixiang Chem | China national standards | MT | 1075.18 | USD | 20251211 |
| Shandong Yaoming Chem | China national standards | MT | 961.09 | USD | 20251210 |