| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 176.62 | USD | 20251209 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.88 | USD | 20251209 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 268.46 | USD | 20251209 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 148.36 | USD | 20251209 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.67 | USD | 20251209 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 233.14 | USD | 20251209 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.05 | USD | 20251209 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 186.51 | USD | 20251209 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 445.08 | USD | 20251209 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.05 | USD | 20251209 |