Since establishment, we always bring in, research and develop the advanced technology. Our goal is purchasing and creating new products. Strive to be the precursor of CCTV field. We are the agent of America Boter products. Such as B&W camera and color camera with high resolution and low illumination, B&W and color monitor with high resolution, network video server, digital hard risk recorder and car black casket. We research and develop the common cable one-line transmission in Xiamen.The one-line transmission uses the advanced technology of amplitude modulation, accompanying audio carrier, FSK data signal modulation, etc. It integrates the signal of sixty channel monitor image, accompanying sound, control and alarm to both-way transmission by one-line cable.