Top-king group limited(Shenzhen Naisheng Electronics Co., Ltd)is specialized in DVD player, Portable DVD player, DVB-T, Digital TV and PDVD+digital TV(One segment and ATSC TV). WeÃ?¢??re one of the leading DVD and Portable DVD manufacturers in China. Since established in 2006, Top-king group limited is always devoted to keep pace with first-class AV technology and advanced management. Top-king group limited(Shenzhen Naisheng Electronics Co., Ltd)has the most-advanced production lines, SMT, Safe tests & quality checks are strictly conducted before delivery. Furthermore, we have a strong R&D, sales, and management team. We will always bring you reliable quality, competitive price and perfect services. Customer&＃039;s satisfaction is always our responsibilities. Now we mainly act as exporter in international business. We have established favorable partnerships with many well-known enterprises throughout the world. We will always welcome you from any continent of the world.