1. There is no certification mark on the glass: there is no drip line (trough) at the parts that need drainage, such as external windows, the door frame of the entrance door is not grouted, there is no "CCC" mark on the glass side of the kitchen door, living room door and hanging garden door, and there is no "CCC" mark on all indoor outdoor window sash glasses.

2. Incomplete indoor facilities: the indoor sewer pipes are not fortified with fire rings, and the floor drains of the living room balcony, porch garden and hanging garden are not equipped with water storage inlets.

3. Poor engineering quality: there is no height difference between the kitchen floor and the dining room floor. These are just some problems that Changsha Lihai Milan Spring House obviously violates the national standards.