Applicable to children electronic piano, oral arithmetic, toy bubble gun, story machine, electronic card, voice-changing toy, MP3 player and other toy industries
Address: 801Floor 8th, Building B, Duocai Science and Technology Innovation Park,
No. 5 Guanle Road, Guanhu Street, Longhua District, Shenzhen, Guangdong, China
Email: steven@yunthinker.com
