| Mark | Item | Date of Registration | View Patent |
| CE KXN series emc DR50120807C Shanghai | |  |
| CE KXN series emc DR50120807B | | |
| CE | CE (Analog Timer (MA4)) | 1996.05.01 | |
| CE | CE (Digital Timer (LF4)) | 1996.05.01 | |
| CE | CE (Timer / Counter (GX7)) | 1996.05.01 | |
| CE | CE (Timer / Counter (GX4)) | 1996.05.01 | |
| CE | CE (Digital Temperature Controller (DX9)) | 1996.05.01 | |
| CE | CE (Digital Temperature Controller (DX4)) | 1996.05.01 | |
| CE | CE (Digital Temperature Controller (DX2)) | 1996.05.01 | |
| CE | CE (Digital Temperature Controller (MX9)) | 1996.05.01 | |
| CE | CE (Digital Temperature Controller (MX4)) | 1996.05.01 | |
| CE | CE (Digital Temperature Controller (MX2)) | 1996.05.01 | |
| CE | CE (DX Series (DX2,DX3,DX4,DX7,DX9)) | 1998.01.31 | |
| CE | CE (PHOTO ELECTRIC SENSOR (PE)) | 1998.01.31 | |
| CE | CE (Digital Portable Thermometer (D55)) | 2000.03.28 | |
