Guanglianda Software Co., Ltd. is a leading enterprise in information service industry in domestic construction engineering field, which was established in 1998. The main products of Guanglianda have independent intellectual property rights and independent innovation software architecture. The company has mastered more than 20 core technologies, 100 software copyrights and 9 patents, among which 3-D graphics technology has reached the international leading level, and has a profound accumulation in BIM solutions, cloud computing applications and management business technology platforms throughout the project life cycle. 20 10 in may, guanglianda was successfully listed on Shenzhen SME board (stock abbreviation: guanglianda, stock code: 0024 10), becoming the first listed software company in China construction engineering information industry.