here is the contact infomation

Shenzhen Yake LED Tech Co.,Ltd.     
E-mail:sales@ykleddisplay.com 
       info@ykleddisplay.com
TEL: +86-755-29684956  
FAX: +86-755-29683728   

Business Consulting: +0086-15019400869 / +0086-18688780780

Address: Building 1, No.46 Donghuan Road, Huangpu Community, Shajing Street, Baoan District, Shenzhen, China.
ZIP: 518000