Shenzhen Luyuesheng Technology Co. , Ltd. 

address: No. 1 Jiayi Industrial Park, Guixiang community, Guanlan Street, Longhua District, Shenzhen City, 

Tel: 0755-33079899(Line 8)817942898179438981794589 

fax: 0755-81794089 

e-mail: sales@lys-mic.com

 postal code: 518110