Harbin No. 69 Middle School

T.T LIVE HOUSE

Kedong Shuangbao Hotel Wedding Hall

Heilongjiang Provincial Automobile Passenger Transport Corporation

Heilongjiang Provincial Party School

Northeast Light Alloy Co., Ltd

KTV Entertainment Audio Case

Installation of multifunctional hall audio system

Conference Room Sound Engineering Case

Case study of multifunctional hall sound engineering

Bar audio case

Bar audio case