turnkey job meaning in English

全部包办的工程
转键作业
总包工程

Our business container : planning of landscape architecture design of urban planning design of park and greening , design of resort building , design of chinese classical garden , design of civil and industrial building , building adornment and interior design , urban sculpture , manufacture of landscape art , turnkey job construction , construction supervision , technical consultation
业务范围包括：风景园林规划、环境绿化设计、城市规划设计、旅游建筑设计（宾馆渡假村、别墅等）、中国古典园林设计、工业与民用建筑设计、建筑装饰、室内装潢设计、城市雕塑、景观艺术设计制作、工程总承包、工程建设监理、工程技术咨询服务。