"Sanko" was established in 2005. We are specialized in the R&D, production, sales and technology consultation of professional audio systems and KTV loudspeakers units. In 2012, our brand ANDUN won the titles of "Chinese Excellent Products", "AAA Enterprise For Quality, Service and Sincerity" and "2012 HC Ten Super Quality Accessories Suppliers". We continuously research and produce new products to satisfy customers' needs, meeting the market demands and improving the service and upgrading ...