| Vendor | Spec | Unit | Price | Currency | Date |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.83 | USD | 20251129 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.63 | USD | 20251129 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 254.28 | USD | 20251129 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 444.98 | USD | 20251129 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 183.64 | USD | 20251129 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 169.52 | USD | 20251129 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 183.64 | USD | 20251129 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 268.4 | USD | 20251129 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 240.15 | USD | 20251129 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.64 | USD | 20251128 |