| Manufacturer | CB Certificate No. | IECQ Certificate No. | | CB/NAI | Issue Date | Status | |
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| MATE FORD INTERNATIONAL CO, LTD [China] | |
| MATE FORD INTERNATIONAL LIMITED [China] | |
| Materials Analysis Technology Inc (Kumam... [Japan] | |
| | 50600531 ITL | IECQ-L ULTW 16.0003-11 | | ULTW (TAIWAN ) | 2023/08/15 | Current | |
| Materials Analysis Technology Inc (Nagoy... [Japan] | |
| Materials Analysis Technology Inc [Taiwan] | |
| Materials Analysis Technology (Shanghai)... [China] | |
| Materials Analysis Technology (Xiamen) L... [China] | |
| MATSUSHITA ELECTRIC WORKS ANALYSIS CENTE... [Japan] | |
| MEIKO ELECTRONICS CO LTD [Japan] | |
| MELEC COMPANY LTD [Japan] | |
| Merlin Artetch Limited [United Kingdom] | |
| Merlin Circuit Technology Ltd [United Kingdom] | |
| Microelectronics Technology Inc Environm... [Taiwan] | |
| Microelectronics Technology Inc Equipmen... [Taiwan] | |
| MICROTEC GmbH [Germany] | |
| MILMEGA [France] | |
| MinebeaMitsumi [Japan] | |
| Mintech Semiconductors Ltd [United Kingdom] | |
| MiTAC Computing Technology Corporation (... [Taiwan] | |
| MiTAC INTERNATIONAL CORPORATION (Acousti... [Taiwan] | |
| MiTAC International Corporation (Reliabi... [Taiwan] | |
| MITSUMI ELECTRIC CO LTD [Japan] | |
| MSSCORPS CO, LTD Hsinchu BRANCH [Taiwan] | |
| MSSCORPS CO, LTD STSP BRANCH [Taiwan] | |
| MSSCORPS CO, LTD Zhubei BRANCH [Taiwan] | |
| MSSCORPS CO, LTD [Taiwan] | |
| MSSCORPS (NANJING) CO, LTD [China] | |
| Murata Elektronik Handels GmbH [Germany] | |
| MURATA MANUFACTURING CO LTD [Japan] | |
| M/s CDIL [India] | |
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