| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.76 | USD | 20251120 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.37 | USD | 20251120 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 444.26 | USD | 20251120 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 183.34 | USD | 20251120 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 190.4 | USD | 20251120 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 211.55 | USD | 20251120 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 183.34 | USD | 20251120 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.37 | USD | 20251120 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 183.34 | USD | 20251120 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 148.09 | USD | 20251120 |