| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Sanan Chem | China national standards | MT | 211.64 | USD | 20251123 |
| Pingxiang Lixin BioTech | China national standards | MT | 190.48 | USD | 20251123 |
| Pingxiang Lixin BioTech | China national standards | MT | 190.48 | USD | 20251123 |
| Hubei Shuanghuan Tech | China national standards | MT | 190.48 | USD | 20251123 |
| Henan Junma Chem | China national standards | MT | 190.48 | USD | 20251123 |
| Henan Sendi EnvTech | China national standards | MT | 201.76 | USD | 20251122 |
| Henan Shunzhibang | China national standards | MT | 268.08 | USD | 20251122 |
| Henan Shunzhibang | China national standards | MT | 239.86 | USD | 20251122 |
| Henan Sendi EnvTech | China national standards | MT | 194.71 | USD | 20251122 |
| Pingxiang Lixin BioTech | China national standards | MT | 183.42 | USD | 20251122 |