Miartech, 2004 was established in Shanghai Zhangjiang hi tech park, which focus on the power of networking technology in the application of smart grid, smart city, energy-efficient buildings, smart home, clean energy access, street lightting management, and other innovative high-tech enterprises. Power of networking technology, commercial and civil construction both in the presence of low-voltage power line as the communication carrier, rapid implementation of electric equipment, sensing equipment, control equipment between the network connection, low cost construction "linked to" the power of networking. Mi series high performance power line carrier communication Mi micro independent research and development (PLC) chip has a leading position in the industry. Mia is domestic power line carrier communication chip industry only products not only meet the international standards, but also with the China electric power line channel environment, and the supplier. Mia micro power line carrier communication chip has scale application in the national grid is of more than 10 provinces and cities in smart meter and electric information acquisition system.