Projects are mainly in Boao, Qionghai City, Kwun Tong District and waterfront tourist area about 40 square kilometers of 1:500 topographic maps mapping and downsizing.

• 工程项目主要是琼海市官塘区和博鳌海滨旅游区约40平方公里的1：500地形图测绘及缩编。