| Vendor | Spec | Unit | Price | Currency | Date |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.02 | USD | 20250929 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.49 | USD | 20250925 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1054.76 | USD | 20250922 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.51 | USD | 20250915 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.42 | USD | 20250910 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1056.22 | USD | 20250909 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1055.56 | USD | 20250904 |
| 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 |