Polytronics Technology Corp. engages in the research, development, manufacture, and sale of circuit protection and thermal management solutions for high-density electronics systems. It provides EVERFUSE polymeric positive temperature coefficient products, including surface-mount devices for computers, portable electronics, game consoles, telephony and broadband products, mobile phones, industrial controls, batteries, and multimedia products; radial-leaded devices for AC/DC adapters, power supply products, USB hubs and accessories, computer accessories and related applications, medical equipment, industrial controls, and automotive and motor protection products; and battery device products for mobile phones, laptops and netbooks, PDAs, portable multimedia players, MP3s, and game consoles. The company also offers telecom products for xDSL, VoIP, MDF module, Ethernet, and telecom analog and digital line card applications, as well as for modem, telephone, and facsimile machines; current limiting modules for note book, cell phone, ultrabook, tablet PC, cordless vacuum cleaner, E-bikes, self-balancing scooter, energy storage system, and automotive applications; surface mount fuses; transient voltage suppressor diodes; thyristor surge suppressor devices;thermal conductive boards for automotive lighting, power module, solar cell, IC packing, and LED applications; electrostatic discharge protectors; metal oxide varistors; gas discharge tubes; thermal setable pads; thermal dissipation coating materials; thermal conductive inks; heat dispersing materials; and overvoltage protection element and related semi-finished goods, modules and dies, and LED lightings and modules. The company operates in Taiwan, China, the United States, and internationally. Polytronics Technology Corp. was incorporated in 1997 and is based in Hsinchu City, Taiwan.