Environmental purification engineering
　　The installation of air conditioning refrigeration equipment
　　Air conditioning air supply pipeline engineering
　　Choi steel structure engineering
　　Purification system of power distribution project
　　Production equipment of power distribution project
　　Production technology of pipeline engineering
　　PVC、EPOXY Ground engineering

Laboratory engineering
　　Laboratory decontamination
　　Laboratory ventilation and air conditioning engineering
　　Laboratory equipment
　　
Hospital operation room engineering
　　Aseptic operation room
　　ICU Ward

Environment protection engineering of
　　Waste gas treatment engineering
　　Waste water treatment project