黑人爱爱视频_国产午夜网_成人手机在线观看视频_国产伦精品一区二区三区免费_美女黄色在线观看_日韩精品极品视频在线观看免费_人人插人人草_青青青视频自偷自拍_国产成年人免费视频_操碰在线_欧美成人a∨高清免费观看_国内视频一区二区三区_久久ee热这里只有精品_色多多破解版_亚洲色婷婷综合久久_黄色成人在线免费_97热视频_北条麻妃一区二区三区在线观看_99热门精品一区二区三区无码_日韩成人av一区二区

品牌介紹

A global supplier of sounding devices

Challenge sets itself apart as a specialist in audible technology strategically aligned with the finest factory resources. With a robust infrastructure of manufacturing, distribution and value added services, Challenge is unrivaled by any other supplier in this market offering custom mechanical, electrical and software solutions for audible and mechanical assemblies.

Challenge Electronics delivers North American engineering ingenuity, economic advantages of off-shore production and logistics assistance for a certified customer experience. The result is a highly effective organization that offers high quality internationally certified products and immediate technical support suited for your needs.

With offices in key regions around the world, Challenge is readily available to service the most demanding markets including medical, consumer electronics, automotive and marine instrumentation as well as any high-performance system that relies upon a clear and custom-tailored sound output.