| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 169.76 | USD | 20251211 |
| Zhangzhou Sanan Chem | China national standards | MT | 212.21 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 190.99 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 155.62 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 183.91 | USD | 20251211 |
| Henan Sendi EnvTech | China national standards | MT | 198.06 | USD | 20251211 |
| Hubei Shuanghuan Tech | China national standards | MT | 176.84 | USD | 20251211 |
| Pingxiang Lixin BioTech | China national standards | MT | 183.91 | USD | 20251211 |
| Hubei Shuanghuan Tech | China national standards | MT | 233.43 | USD | 20251211 |
| Shanghai SKY Chem | China national standards | MT | 209.38 | USD | 20251211 |