| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 190.71 | USD | 20251130 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.64 | USD | 20251130 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 254.28 | USD | 20251130 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 155.39 | USD | 20251130 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.64 | USD | 20251130 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 169.52 | USD | 20251130 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 190.71 | USD | 20251130 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 268.4 | USD | 20251130 |
| Henan Junma Chemical Co., Ltd. | China national standards | MT | 190.71 | USD | 20251130 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 240.15 | USD | 20251130 |