c
暖通净化工程: Dirkbiel is a comprehensive enterprise that integrates R & D of heating and ventilation, system design, product sale, project construction, installation and commissioning and system maintenance. Dirkbiel是一个集暖通技术研究开发、系统设计、产品销售、工程实施、安装调试、系统维护于一体的综合性企业。 High-precision temperature-constant and humidity-constant air-conditioning project; 高精密恒温恒湿空调工程; Medicine and biologic cleaning project; 医药与生物净化工程; Building intelligent system project; 建筑智能化系统工程; Energy-saving building design project; 节能建筑设计工程; Heating and air-conditioning system project with new technology; 运用新技术的供热空调系统工程; Difficult ventilation and air-conditioning upgrade project. 高难度暖通空调改造工程。