Shenzhen Thecoo Technology established in 1998,as the branch of shinylong Electronics Co., Ltd. As a company engaged to design ,development and peoducing electroacoustic, video, photoelectricity, battery application and consumer electronics products etc.With the development, we have established business relation-ship with famous customers, we had set up electro-acoustic studio and established cooperation relationship with several outstanding state senior engineers and institue of Acoustics. In 2006,we found battery research studio, which designing, developing and producing battery products for EU and USA famous companies.