1. End product staircase, staircase column, stainless steel guard rail, staircase fitting, stair rails, front door handle and hardware fitting. 成品楼梯，楼梯扶手，楼梯立柱，不锈钢护栏，楼梯配件，大门拉手及五金件。
2. End product staircase, staircase column, stainless steel guard rail, staircase fitting, stair rails, front door handle and hardware fitting. 成品楼梯，楼梯扶手，楼梯立柱，不锈钢护栏，楼梯配件，大门拉手及五金件。
3. indoor staircase projection calculated by the area, including the indoor staircase in the living room no longer double-counting area. 户内楼梯按投影计算面积，包括在起居室内的户内楼梯不再重复计算面积。
4. Imagine walking up a spiral staircase with your left hand on the inner banister and your right hand on the outer one. Such a staircase is a right-handed helix. 想像自己往上走在一个螺旋楼梯，左手放在内侧栏干，右手扶著外侧，这种楼梯就是右旋螺旋。
5. Frame working reinforcement main useⅠLevel steel bar, stirrup main use TheⅡlevel steel bar, the staircase uses the reinforced concrete beat staircase; 框架受力钢筋主要采用Ⅱ级钢筋，箍筋主要采用Ⅰ级钢筋，楼梯采用钢筋混凝土板式楼梯；
