| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.64 | USD | 20251130 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.83 | USD | 20251130 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 190.71 | USD | 20251130 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.71 | USD | 20251129 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 190.71 | USD | 20251129 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.83 | USD | 20251129 |
| Sichuan Hebang Biotechnology Co., Ltd. | China national standards | MT | 233.09 | USD | 20251129 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.01 | USD | 20251129 |
| Henan Junma Chemical Co., Ltd. | China national standards | MT | 190.71 | USD | 20251129 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.64 | USD | 20251129 |