| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Hubei Shuanghuan Tech | China national standards | MT | USD | 20251130 | |
| Guangdong Huihao | China national standards | MT | USD | 20251130 | |
| Henan Kaijie Water | China national standards | MT | USD | 20251129 | |
| Anhui Haozhan Tech | China national standards | MT | USD | 20251129 | |
| Sichuan Hebang Bio | China national standards | MT | USD | 20251129 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251129 | |
| Henan Junma Chem | China national standards | MT | USD | 20251129 | |
| Pingxiang Lixin BioTech | China national standards | MT | USD | 20251129 | |
| Henan Sendi EnvTech | China national standards | MT | USD | 20251129 | |
| Henan Huiyihai | China national standards | MT | USD | 20251129 |
