With 4 layers of modern protection, the elevator ensures user safety and helps to avoid dangers from bacteria and viruses, detects and warns people about fainting or stroke inside the cabin.

Elevator maintenance is a unique technical service directly related to the continuous operation and safety for human health. However, this service is currently in the style of "hundreds of flowers in bloom", each firm follows its standard that quickly makes customers fall into the matrix. Should there be a general standardization, especially in industry human resources – a factor that is considered a prerequisite.