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Head office 

Dongguan Tonstep Electronics Technology Co., Ltd.  
Address: Baoding Technology Park,Guangming No.2 Rd., Dongcheng District, Dongguan City, Guangdong Province, China  
Tel: (86 769) 22699208/23327780 
Fax:(86 769) 22250540  
http://www.tonstep.com 
Contact: Rebecca Luo ( sales@tonstep.com)      
   
Financial branch 
Hongkong Tonstep Electronics Technology Co., Limited 
Address: Unit 2002, 20/F, Multifield Commercial Centre, 426 Shanghai St., Mong Kok, Kowloon, Hong Kong
   
Computer peripherals products Factory 
Address: B4, Siyuan 1st Industrial Park, Heping Rd, Fuyong Town, Baoan District, Shenzhen, China 
   
Mobile Phone / Tablet PC factory  
Address: Dalang Industrial,Longhua,Baoan District,Shenzhen City,Guangdong Province ,China
  
Laptop factory  
Address: Xinhua Industrial Park, No.18 Songbai West Rd., Shiyan Town, Baoan District, Shenzhen, Guangdong, China