情趣视频网站久久_九九碰在线免视频播放_欧美牲交Aⅴ欧美牲交_中文字幕夫妇交换乱叫

Assembling BU sets up Project Technology Department, Process Technology Department, Production Management Department, Manufacturing Management Department, Storage Management Department, and Quality Management Department. We owns perfect modern dust-free plant, and sets 5 mature products assembling line. Assembling BU assembles all kinds of wireless WIFI, Bluetooth sound finished products for world first class sound brand customers, such as Denon, Lowe, B&W, B&O，F(xiàn)ocal and so on, with the concept of “Making Perfect Products and Exceeding Future”, which builds excellent service platform to make the world listen to our voice.