Dalian Zongyi Science & Technology Development Co., Ltd. (Dalian Electronics Research Institute) is mainly engaged in the R&D, production and marketing of various hi-tech products such as the environmental protection, airport navaid and communication equipment etc. More than 60 categories of products developed by the Company, such as the industrial electric dust control equipment, airport navaid facilities, sewage treatment system equipment and communication monitoring equipment etc., are widely applied at home and abroad. Over the years, the Company has completed over 180 key research subjects, 60 of which have been awarded the science and technology prizes at state, ministerial, provincial and municipal levels. In addition, the Company has undertaken three national torch projects, one of which has been awarded the outstanding project prize and the industrialization effect is remarkable.