It is one of the world's leading manufacturers and developers of video surveillance solutions, which has been known in the market for over 19 years. Dahua is headquartered in Hangzhou, China. In addition, it is one of the leading provider of OEM and ODM services for security systems companies. Each year, the manufacturer takes top places in the ratings of specialized magazines, video security associations and presents the latest engineering developments for video surveillance systems. Dahua is the creator of the HDCVI video surveillance standard - the transmission of audio and video data over coaxial cable.