祝贺第６２届国际图联大会圆满成功北成集团北成集团是随当代电子技术高速发展而崛起的新一代高科技企业。集团以电子信息技术为核心，科、工、贸并举，多元经营，全面拓展，形成既有规模化生产的高科技电子产品系列，又有电子展览、房地产开发、旅游服务等多种经营的综合... Congratulations on the successful outcome of the 62nd IFLA General Assembly Beicheng Group Beicheng Group is a new generation of high-tech enterprise that has emerged with the rapid development of modern electronic technology. With electronic information technology as the core, the Group integrates science, industry, trade and trade into a diversified economy and comprehensively expands into a high-tech electronic product line with large-scale production as well as a comprehensive operation of electronic exhibitions, real estate development and tourism services. ...