| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 189.86 | USD | 20250922 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 189.8 | USD | 20250920 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 147.62 | USD | 20250919 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 147.62 | USD | 20250919 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 189.8 | USD | 20250919 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 189.8 | USD | 20250919 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 189.91 | USD | 20250918 |