Stair way:

Vertical ladder - this is the most common way of stairs in practice. Straight down straight down the shape of the most simple, quite straight up nine days straight feeling. The simple lines of the vertical ladder give people a sense of straightness hardness. The vertical ladder is changeless. It can also complete the corner planning with the platform.

Arc ladder - contrary to the vertical ladder, it is a curve to complete the connection between the upper lower floors. This kind of stair is beautiful, generous, can be done more capacious, do have the kind of rigid feeling of the straight ladder corner completely. Arc ladder is the most comfortable one among the three kinds of stairs;

Spiral staircase - the primary feature of spiral staircase is that the space occupied is the smallest, the winding trend makes many personalized customers feel excited.