久久精品女人天堂,精品久久久久久久国产性色av,中文字幕精品久久久久,国产精品伦一区二区三区免费看,久久精品视频网站,夜夜嗨国产,国产在线网

    Founded in 2007, the company is a national high-tech enterprise specializing in the research and development and manufacture of high-end HDI and high-layer circuit boards (PCB). The factory has an area of about 40,000 square meters, 500 employees, and an annual HDI production capacity of 480,000 square meters.