| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.36 | USD | 20250926 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.36 | USD | 20250926 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.83 | USD | 20250925 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.59 | USD | 20250922 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.48 | USD | 20250919 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.69 | USD | 20250918 |