Ningbo Puwei Communication Technology Co., Ltd. (Cixi Ritian Optoelectronics Technology Co., Ltd.) is located in Kuangyan Industrial Park, Cixi City, Zhejiang Province, in the coastal economic open zone of the Yangtze River Delta. Adjacent to the north, facing Shanghai across the sea, it is located in the center of the economic golden triangle of Shanghai, Hangzhou and Ningbo. The transportation is very convenient and the geographical position is very superior.