Size 
Customization 
Structure 
Floor structure: Steel frame +fibre cement plates +tiles  
Wall :  Steel structure +rock wool sandwich panel + emulsion paint 
Roof : Steel structure +rock wool sandwich panel + emulsion paint 
Balcony : Steel structure +fibre cement plates +tiles +handrail  
Stairs: Steel structure +plastic lumber + handrail 
Configuration 
Door, window, balcony ,stairs ,handrail , bathroom (toilet ,shower ,wash basin ,mirror ), light , socket ,switch , emergency light ,water inlet and drainage system ,electric system 
Application 
Office building ,Hotel ,Residential home ,etc.