| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 201.16 | USD | 20250929 |
| Henan Sendi EnvTech | China national standards | MT | 201.16 | USD | 20250929 |
| Henan Sendi EnvTech | China national standards | MT | 194.12 | USD | 20250929 |
| Henan Qingmai Tech | China national standards | MT | 239.14 | USD | 20250929 |
| Jiangxi Xinmao Chem | China national standards | MT | 189.9 | USD | 20250929 |
| Wuhan Hengjiu Chem | China national standards | MT | 182.87 | USD | 20250929 |
| Wuhan Hengjiu Chem | China national standards | MT | 173.02 | USD | 20250929 |
| Wuhan Hengjiu Chem | China national standards | MT | 205.38 | USD | 20250929 |
| Chizhou Xinyu Chem | China national standards | MT | 211.0 | USD | 20250929 |
| Suzhou Shangma Chem | China national standards | MT | 211.0 | USD | 20250929 |