ROISCOK Electronics Ltd. was founded in 1989. During the pasted 20 years, ROISCOK constant progress, strive to create high-quality, with a number of independent intellectual property rights of the anti-theft alarm system and video surveillance systems. As a pioneer in security products, LED to the development of China's security industry, and the germination of a batch after batch ROISCOK technology follower. Fortunately, the elegant appearance of the products exchange Symphony has become the consensus of the industry, becoming a symbol of the industry's high-end quality. Great contribution to the security industry has become of the pride of ROISCOK.