About Us	BEIJING INFOSIGN TECHNIC DEVELOPMENT CO. LTD BEIJING INFOSIGN TECHNIC DEVELOPMENT CO. LTD is a high-tech joint-stock company, founded in 1999, with more than 60 employees, among them over 20 persons are technicians, the factory construction covers an area of over 1000 square meter, as INFOSIGN has a long-term cooperative relationship with other famous universities and research institutes specialized in antenna, the quality of its products has a stable technical basis. It also has a lot of precision machining equipments and advanced test and measurement equipments. INFOSIGN has constructed a set of strict product quality management system and has been certified to meet the quality assurance standard ISO9001. INFOSIGN develops and produces different kinds of microwave communication antennas, the type of the products includes standard , high performance ,single polarized and dual polarized parabolic antennas, the diameter range of antennas is from 0.3m to 3.7m, and the operating frequency range is from 500MHz up to 26GHz. After INFOSIGN’s several years of efforts, its producing capacity is more than 8000 antennas one year, the products has been widely used in the radio communication domain in China, Africa and the South-East region. INFOSIGN insists on the principle of credibility for fundamentality, science and technology for development, doing the best for perfect, satisfying the users.