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 Theory Headquarters  Factory: Dongguan Theory Smart Technoloty CO.,LTD. 
 Address: 3F Building No.5, Fumin Industrial Zone Rongshu Road Qiaotou Community, Fuyong Street, Baoan District, Shenzhen City, Guangdong Province, P.R.C. 518103

 Address: Kuiqing Road, Qinghuang Industrial Park,Qingx Town,Dongguan,Guangdong,China

 Qiaotou,Fuyong, Baoan District,Guangdong,China  Town,Dongguan,Guangdong,China
 Tel:  +86-755-2699 7700  Tel:  +86-769-8277 3300
 Fax:  +86-755-2699 7711  Fax:  +86-769-8277 3311
 Website: www.theory.com.cn  
 Email: info@theory.com.cn  
   
 Beijing Office  Hongkong Office

Address: Room 1207, Unit 2, Meilifang Building No.4, No.11 Shuangying Road, Chaoyang District, Beijing, P.R. China

 Address: Room 1508,15/F.,Two Grand Tower, 625 Nathan Road, Kowloon, Hong Kong

 Huizhongbeili,Chaoyang District,Beijing,China  Nathan Road,Kowloon,Hong Kong
 Tel:  +86-10-64842695  Tel:  +852-30766658
 Fax: +86-10-64842696  Fax: +852-30626606