| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.99 | USD | 20251202 |
| Henan Lanen Chemical Co., Ltd. | China national standards | MT | 177.98 | USD | 20251202 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.93 | USD | 20251202 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 186.46 | USD | 20251202 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 261.32 | USD | 20251202 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 254.26 | USD | 20251202 |
| Henan Junma Chemical Co., Ltd. | China national standards | MT | 176.57 | USD | 20251202 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.88 | USD | 20251202 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 183.63 | USD | 20251202 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 190.69 | USD | 20251202 |