| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 202.17 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 197.93 | USD | 20251204 |
| Shanghai SKY Chem | China national standards | MT | 206.41 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 202.17 | USD | 20251204 |
| Shanghai SKY Chem | China national standards | MT | 261.55 | USD | 20251204 |
| Henan Shunzhibang | China national standards | MT | 240.34 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 183.79 | USD | 20251204 |
| Suzhou ChemMat | China national standards | MT | 200.75 | USD | 20251204 |
| Guangdong Huihao | China national standards | MT | 212.07 | USD | 20251204 |
| Pingxiang Lixin BioTech | China national standards | MT | 190.86 | USD | 20251204 |