| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 190.63 | USD | 20251117 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.91 | USD | 20251116 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 190.61 | USD | 20251116 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.55 | USD | 20251116 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 268.27 | USD | 20251116 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.49 | USD | 20251116 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.55 | USD | 20251116 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 183.55 | USD | 20251116 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 190.61 | USD | 20251116 |
| Henan Junma Chemical Co., Ltd. | China national standards | MT | 190.61 | USD | 20251116 |