XENGDA TECHNOLOGY CO. LTD. TANGTAKE Technology Co., Ltd. was established in 2002. In the beginning, the main business were to produce the equipment of computer peripheral. After expanding the R& D department and devoted to develop the multi-screen and grid screen application hardware and software. In current time our products include: Multi-video Presentation system(MSH524), VGA & Video Matrix (MSH-322), Jumping Mouse-Multi-Screen Solution for Power User, pptNote, VGA Selector & VGA Splitter and Clar-Design. Most of these products are applied in e-education, presentation and exhibition occasions. Our goal is to become a navigator of multi-video presentation system. Main business: VGA & Video device, the application for e-learning solution, the development and sale for the software of Multi-screen, cable assemble and molding design.