| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.46 | USD | 20251108 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 190.58 | USD | 20251108 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.52 | USD | 20251108 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.52 | USD | 20251108 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 190.58 | USD | 20251108 |
| Henan Junma Chemical Co., Ltd. | China national standards | MT | 190.58 | USD | 20251108 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 183.52 | USD | 20251108 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 211.76 | USD | 20251108 |
| Shandong Hezhan Chemical Co., Ltd. | China national standards | MT | 173.64 | USD | 20251108 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.58 | USD | 20251108 |