Esino International Development Co., Ltd. was established in 2008 in Hong Kong, after three years of not following the exploration development, 2011 Esino established in Shenzhen Technology Co., Ltd. Shenzhen billion Connaught, product development and sales over more than five years, has now become a set of product design, development, procurement, logistics, processing, marketing, and sales of wireless products manufacturer, billion-Snow will continue to move forward to continue to explore, create ESINO brand.