| Vendor | Spec | Unit | Price | Currency | Date |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.27 | USD | 20250901 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1054.73 | USD | 20250827 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1051.02 | USD | 20250819 |
| 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 |