| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.73 | USD | 20251121 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.75 | USD | 20251119 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 353.03 | USD | 20251117 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.98 | USD | 20251114 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.78 | USD | 20251113 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.78 | USD | 20251111 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.78 | USD | 20251106 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.68 | USD | 20251104 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.77 | USD | 20251103 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.71 | USD | 20251031 |