| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 959.48 | USD | 20251119 |
| Shandong Linglin | China national standards | MT | 1523.87 | USD | 20251119 |
| Shandong Zhiheng | China national standards | MT | 1269.9 | USD | 20251119 |
| Shaanxi Bidiou Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Wuhan Hengjiu Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Henan Kaixiang Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Wuhan Hengjiu Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Yaoming Chem | China national standards | MT | 959.69 | USD | 20251118 |
| Wuhan Hengjiu Chem | China national standards | MT | 1072.6 | USD | 20251118 |