| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.47 | USD | 20251028 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 148.19 | USD | 20251028 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 163.71 | USD | 20251028 |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.41 | USD | 20251027 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 190.46 | USD | 20251027 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 167.89 | USD | 20251027 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 479.68 | USD | 20251027 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 197.51 | USD | 20251027 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.57 | USD | 20251027 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.98 | USD | 20251027 |