Since 2003, POCASA ELECTRONIC LIMITED has engaged in development, manufacture and sale of high reliable and cost-effective uninterruptable power supply (UPS), AC to DC and DC to AC power inverter to global customers. By 2006, POCASA outgrew a privately held corporation with two plants and the headquarters located in ShenZhen, which covers about 45,000 square foot and employs approximately 1,200 people.