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ABOUT US

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Patent certificate

 

Patent certificate

 

 

Patent certificate

 

Patent certificate

 

 

Patent certificate

 

Patent certificate

 

 

Patent certificate

 

Patent certificate

 

 

Appearance design patent certificate

 

Appearance design patent certificate

 

 

Director Unit of China Performance Equipment Technical Association

 

Director Unit of China Performance Equipment Technical Association

 

 

China International Chamber of Commerce Guangzhou Panyu District Chamber of Commerce membership card

 

China International Chamber of Commerce Guangzhou Panyu District Chamber of Commerce membership card

 

 

Certificate of honor

 

Certificate of honor

 

CONTACT US

Guangzhou Diyun Professional Audio Co., Ltd.

Address: Diyun Industrial Building, Caiyixin Village, Donghuan Street, Shiqiao, Panyu District, Guangzhou

ADD: +86-20-39991902,39991903

Fax:+86-20-39991738

mailbox: dvon@dvon.com.cn

Web: http://www.dvon.com.cn