| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Yihan Chemical Co., Ltd. | China national standards | MT | 203.92 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.76 | USD | 20250922 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 175.79 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 189.86 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 182.83 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.14 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.86 | USD | 20250922 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.08 | USD | 20250922 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 260.17 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.14 | USD | 20250922 |