| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 102.95 | USD | 20251120 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 110.01 | USD | 20251120 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 110.06 | USD | 20251119 |
| Henan Leavit Chemical Technology Co., Ltd. | Industrial Grade | MT | 91.71 | USD | 20251119 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 103.0 | USD | 20251119 |
| Henan Leavit Chemical Technology Co., Ltd. | Industrial Grade | MT | 91.74 | USD | 20251118 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 110.08 | USD | 20251118 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 103.03 | USD | 20251118 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 103.08 | USD | 20251117 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 110.14 | USD | 20251117 |