| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.99 | USD | 20250924 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.1 | USD | 20250924 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.06 | USD | 20250923 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 225.17 | USD | 20250923 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.32 | USD | 20250923 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.39 | USD | 20250923 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.24 | USD | 20250923 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 175.92 | USD | 20250923 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.21 | USD | 20250923 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.21 | USD | 20250923 |