Since 2003, Shenzhen Pocasa Electronic Co., Ltd. has been engaged in development, manufacture and sale of highly reliable and cost-effective uninterruptible power supplies (UPS) including low frequency online UPS, high frequency online UPS and pure sine wave inverter and modified sine wave inverter for global customers. By 2006, POCASA had grown into a privately held corporation with two plants and the headquarters located in Shenzhen. Our headquarters covers about 45,000 square feet and ...