Shenzhen Tongda Xinhai Technology Co., Ltd. is a research, development, production and sales of 3C digital products. Showcase address: 2D03, North District, 2nd Floor, Huaqiang North Leisure Communication Market, Futian District, Shenzhen Factory Address: No. 38, Shasan Road, Shajing Street, Baoan District, Shenzhen, Guangdong, China Innovation is our genes! Have their own development team, have developed wireless on-screen device, can accept ODM product development, accept software development, hardware design, The company's existing development products, mobile phone wireless with the s