+ Enterprises Purpose
    Our aim is simply to create new design, using the latest technology, smart, elegant and thoroughly goal of accurate information will be expanded to audible energy special quality. We create a new realm of audio-visual!.
 
 + Glory Review
Hamlet Sound won

“Heilongjiang recognized   consumer brand-name   products”
Mantoler Sound won the year of 2003

“Heilongjiang recognized   consumer brand-name   products”
Harbin Star River electronic won

Heilongjiang quality network
“Quality Member Credit”
Mantoler Sound won the year of 2007

“Heilongjiang recognized   consumer brand-name   products”