| Vendor | Spec | Unit | Price | Currency | Date |
| Sichuan Hebang Bio | China national standards | MT | 233.22 | USD | 20251206 |
| Shandong Haihua | China national standards | MT | 254.42 | USD | 20251206 |
| Haohua Junhua | China national standards | MT | 154.07 | USD | 20251206 |
| Henan Shunzhibang | China national standards | MT | 240.29 | USD | 20251206 |
| Guangdong Huihao | China national standards | MT | 212.02 | USD | 20251206 |
| Henan Kaijie Water | China national standards | MT | 212.02 | USD | 20251206 |
| Shandong Qiangsen Chem | China national standards | MT | 190.82 | USD | 20251206 |
| Henan Baiquan | China national standards | MT | 166.79 | USD | 20251206 |
| Henan Sendi EnvTech | China national standards | MT | 195.06 | USD | 20251206 |
| Henan Sendi EnvTech | China national standards | MT | 202.12 | USD | 20251206 |