| Vendor | Spec | Unit | Price | Currency | Date |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1050.35 | USD | 20250811 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1050.49 | USD | 20250804 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1049.82 | USD | 20250730 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1036.14 | USD | 20250725 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1020.66 | USD | 20250721 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1021.54 | USD | 20250717 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1021.11 | USD | 20250714 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1034.82 | USD | 20250710 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1034.88 | USD | 20250707 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1034.63 | USD | 20250703 |