| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Junma Chem | China national standards | MT | 176.68 | USD | 20251207 |
| Tangshan Sanyou | China national standards | MT | 183.75 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 169.61 | USD | 20251207 |
| Hubei Shuanghuan Tech | China national standards | MT | 176.68 | USD | 20251207 |
| Zhangzhou Sanan Chem | China national standards | MT | 212.02 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 155.48 | USD | 20251207 |
| Henan Huiyihai | China national standards | MT | 176.68 | USD | 20251207 |
| Henan Leavit Chem | China national standards | MT | 163.96 | USD | 20251207 |
| Henan Sendi EnvTech | China national standards | MT | 202.12 | USD | 20251206 |
| Henan Sendi EnvTech | China national standards | MT | 195.06 | USD | 20251206 |