| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 196.83 | USD | 20250920 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.18 | USD | 20250920 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 210.89 | USD | 20250920 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 161.68 | USD | 20250919 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 210.89 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 182.77 | USD | 20250919 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 196.83 | USD | 20250919 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 203.86 | USD | 20250919 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 182.77 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 203.86 | USD | 20250919 |