| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1033.72 | USD | 20250630 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1032.54 | USD | 20250625 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1031.93 | USD | 20250623 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1029.41 | USD | 20250613 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1029.41 | USD | 20250609 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1057.23 | USD | 20250604 |