| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 194.93 | USD | 20251126 |
| Wuhan Hengjiu Chem | China national standards | MT | 183.63 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 190.69 | USD | 20251126 |
| Henan Leavit Chem | China national standards | MT | 183.63 | USD | 20251126 |
| Henan Baiquan | China national standards | MT | 166.68 | USD | 20251126 |
| Shandong Haihua | China national standards | MT | 169.5 | USD | 20251126 |
| Wuhan Hengjiu Chem | China national standards | MT | 206.23 | USD | 20251126 |
| Henan Leavit Chem | China national standards | MT | 159.61 | USD | 20251126 |
| Haohua Junhua | China national standards | MT | 153.96 | USD | 20251126 |
| Henan Leavit Chem | China national standards | MT | 162.44 | USD | 20251126 |