Contact Technology Corp. established in 1995, our main products are including tact switch,tact switch with lamp ,slide switch, detector switch , push switch, toggle switch ,dip switch , micro switch , waterproof switch, and 2.5mm earphone jack ,3.5mm earphone jack , DC jack, rca jack, mini usb....etc.Our product application scope has covered the computer information industry, telecommunication communication industry, customer electronics industry, digital household industry and car kit industry...etc.