via a computer design system, engineers can quickly respond to customers about the designproposal and quotation upon receiving some technical data. The designer can make several proposals (one lift one apartment, one lift two apartments, and one lift multiple apartments) according to the characteristics of the residential building and in line with the principle of customer convenience. They will offer most efficient price - performance ratio.

　　Human-centered Function Design
　　According to different requirement of the customer, Rhine lift can add up various operational functions to meet specific demands. For example, persons without right of passing cannot use the lift; certain floors can only be reached by the person who has an IC card; old persons and disabled persons can operate the lift for up and down and outside calls even out of he wheel chair. On the one hand this can protect the right of the residents; on the other hand it can reduce management costs as well. The automatic management system of Rhine LMG lift fully express out the functional and safe characteristics of the IC card. Digital controlling management is realized, so that the value of the purchased apartment can be added continuously.