Optoelectronics Technology Co., Ltd. Beijing obo (www.chnaobo.com) is the country's leading professional HD video optical communication products, industrial Ethernet products and solutions provider. Beijing Obo, electronic, telecommunications and other professional basis, LCD monitors, LCD splicing screen, matrix switchers, HD VGA / DVI / SDI / HDMI video communications, security video communication, Ethernet and other technology-oriented products, has formed its Optical series of security monitoring, long-distance transmission of digital high-definition video series, Industrial Ethernet series, mosaic screen LCD monitor series, HD Matrix series, five series of products, has been in the audio and video industry, radio and television industry, the security industry, transportation, safe city, many areas of electric power, petrochemical, and other made a wide range of applications, trusted and respected by the user.