| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.01 | USD | 20251129 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.95 | USD | 20251129 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 183.64 | USD | 20251129 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.63 | USD | 20251129 |
| Hubei Shuanghuan Science and Technology Stock 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 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.63 | USD | 20251129 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 444.98 | USD | 20251129 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.58 | USD | 20251129 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 211.9 | USD | 20251129 |