Guangzhou Rohin Electronic Co., Ltd.
Tel: 86-20-61959669 ;
Fax: 86-20-61959665
Address: Panyu District, Guangzhou, Guangdong, China 
Mobile: 86-13928881851 
http://www.made-in-china.com/showroom/rohincn  

Guangzhou QiaoSheng Electronic Technology Co., Ltd.
Tel:86-20-34568069/34568032 
Fax:86-574-87194553 
Mobile: 86 13527841957  
Email:enki08@yahoo.com.cn
http://www.qs508.com