hansong (nanjing) technology ltd. is a professional audio/video consumer electronics products manufacture located in nanjing, jiangsu. through our strong partnership with our customer in us and europe who are all international leading brands, we have gained respect and expertise in high fiDEL ity sound reproduction technology, development and manufacturing products for home and professional use, which have lead to many 5 star awards in magazines and shows which are well known in the hi-fi world.