| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.05 | USD | 20250920 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 203.86 | USD | 20250920 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 189.8 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.8 | USD | 20250919 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.06 | USD | 20250919 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.01 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.71 | USD | 20250919 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.02 | USD | 20250919 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.02 | USD | 20250919 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 210.89 | USD | 20250919 |