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| Manufacturer | CB Certificate No. | IECQ Certificate No. | | CB/NAI | Issue Date | Status | |
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![](/icons/ecblank.gif) | WAFER WORKS CORP (Semiconductor Material... [Taiwan] | ![](/icons/ecblank.gif) |
| Wafer Works Corporation [Taiwan] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | Walsin Lihwa Corp [Taiwan] | ![](/icons/ecblank.gif) |
| Walsin Technology Corporation [Taiwan] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | Weald Electronics Limited [United Kingdom] | ![](/icons/ecblank.gif) |
| Wearness Electronics Zhongshan Ltd [China] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | Well Fortune Technical Co, Ltd [Taiwan] | ![](/icons/ecblank.gif) |
| Welwyn Components Limited [United Kingdom] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | WENZHOU LUCHENG ZHENGTAI RESISTOR CO, LT... [China] | ![](/icons/ecblank.gif) |
| Wide Band Signal Processing Lab, EW, ICR... [Taiwan] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | WILLIAMSON ELECTRONIQUE [France] | ![](/icons/ecblank.gif) |
| WIMA-Kondensatorenfabrik [Germany] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | Winbond Electronics Corporation [Taiwan] | ![](/icons/ecblank.gif) |
| WINSTEK SEMICONDUCTOR CORPORATION [Taiwan] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | Winstek Semiconductor Co, Ltd Reliabilit... [Taiwan] | ![](/icons/ecblank.gif) |
| Woo Sung Pre Ind Co, Ltd [Korea, Republic of] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | ![](/icons/ecblank.gif) | 0012/M/IECQ/KR | M-IECQ KTL 05.0014 | | KTL (Korea, Republic of) | 2002/04/20 | Cancelled | ![](/icons/ecblank.gif) |
| | 0012/M/IECQ/KR | M-IECQ KTL 06.0002 | | KTL (Korea, Republic of) | 2005/04/20 | Cancelled | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | WUHAN GUANXING ELECTRONIC CO, LTD [China] | ![](/icons/ecblank.gif) |
| WUHAN TELECOMMUNICATION DEVICES CO, LTD [China] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | WUXI CHINA RESOURCES HUAJING MICROELECTR... [China] | ![](/icons/ecblank.gif) |
| WUXI CMC ELECTRONICS CO, LTD [China] | ![](/icons/ecblank.gif) |
![](/icons/ecblank.gif) | WUXI SHARP ELECTRONIC COMPONENTS CO, LTD [China] | ![](/icons/ecblank.gif) |
| WUXI TOYO ELECTRIC CO, LTD [China] | ![](/icons/ecblank.gif) |
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