| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.79 | USD | 20251201 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 190.79 | USD | 20251201 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.99 | USD | 20251201 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.85 | USD | 20251201 |
| Sichuan Hebang Biotechnology Co., Ltd. | China national standards | MT | 233.19 | USD | 20251201 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 206.33 | USD | 20251201 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.9 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 183.64 | USD | 20251130 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 240.15 | USD | 20251130 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.83 | USD | 20251130 |