In the field of domestic construction industry, Yanjian Group has more than 20 professional contracting qualifications, including special grade qualification for general contracting of construction engineering, grade A qualification for construction engineering design, grade I qualification for general contracting of municipal public engineering, highway engineering and electromechanical engineering, grade I qualification for building decoration engineering, building curtain wall engineering, steel structure engineering, electronic and intelligent engineering, fire protection facility engineering, foundation engineering and building electromechanical installation engineering. The company has expanded its construction operation to markets of 16 cities in Shandong Province and markets outside the province such as Beijing, Shanghai, Tianjin, Zhejiang, Henan, Gansu, Sichuan, Xinjiang, Fujian, Anhui, Hebei, Liaoning, Shanxi, Guizhou, Jiangsu and Inner Mongolia.    

Over the years, Yanjian group has always adhered to the road of quality and brand development. While consolidating the local market of Yantai, Yanjian group has actively expanded the foreign market, adhered to the competitive strategy of synchronously extending the "three major" to the "three good", vigorously improved the market development ability, continuously strengthened the regional business awareness, deepened the target regional market, and built high-quality projects with "careful attitude and fine process". Yanjian Group has successively undertaken the construction of Yantai Penglai International Airport, Cultural Center, Railway Station, Binhai Square, International Expo Center, Binhai West Road Jiahe Bridge, Shengli Road Tunnel and other urban landmark buildings.