Smart grid, communication first. 2012 International Electric Power Automation Equipment and Technology Exhibition, new and old customers at home and abroad visit our booth. The combination of smart grid and wireless communication become the focus of the exchange, and the topic is around 4G 3G ZigBee - power generation Transmission and Distribution distribution user side. Four-Faith excited about customers' new applications, the customers are also satisfied Four-Faith to provide them one-stop wireless communication products.