C&K was established in 1928, it is one of the most reliable brands for high-quality electromechanical switching. C&K has more than 55,000 kinds of standard products and 8,500,000 kinds of switch combination, supplying for electronic design companies, manufacturers and distributors. The products include touch switch, pushbutton switch, micro switch, toggle switch, rocker switch, detection switch, DIP switch, rotary switch, slide switch, key switch, thumbwheel switch, smart card reader, which is widely used in automobile, industry, IOT, wearable devices, medical, telecom, consumer goods, aerospace and POS terminal.