| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Shunzhibang | China national standards | MT | 268.62 | USD | 20251204 |
| Shanghai SKY Chem | China national standards | MT | 261.55 | USD | 20251204 |
| Jinan Jinrihe Chem | China national standards | MT | 169.65 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 202.17 | USD | 20251204 |
| Suzhou ChemMat | China national standards | MT | 200.75 | USD | 20251204 |
| Hubei Shuanghuan Tech | China national standards | MT | 212.07 | USD | 20251204 |
| Hubei Shuanghuan Tech | China national standards | MT | 233.27 | USD | 20251204 |
| Guangdong Huihao | China national standards | MT | 212.07 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 195.1 | USD | 20251204 |
| Pingxiang Lixin BioTech | China national standards | MT | 190.86 | USD | 20251204 |