Dongguan road, Dongguan city

Rayking Electronics Co.,Ltd concerned in research, develop and produce ECM (electretcondenser microphone ), MEMS microphone, array microphone, digital microphone, earphone module, receiver, speaker an...

As one of the best professional manufacturer of professional audio products and systems in China, Sound Music Electronics specialized in designing, manufacturing and exporting our products. Our produc...

348 paseo sonrisa

MSI GROUP INC . was established in 1998, and the head office is located in the heart of city of industry, Los Angeles The Company has been devoting in the research, design, manufacture and sales of Mi...