What are the main staircase stairs notochord classification criteria? What are the different classification criteria stairs species? Staircase is a modern high-rise buildings and the layer style home decoration are inseparable from a class decoration, stair classification can be classified mainly from four aspects materials, function, structure, shape, etc., the specific classification is as follows: Stairs from the material last minute: can be divided into steel, wood, concrete, brick and masonry staircase combination staircases; staircase from the function: can be divided into residential stairs, public stairs, fire evacuation stairs; staircase from the structural form of points: can divided beam, beam and slab, plate, folded plate staircases; staircase from the shape points: You can run into a single, double run-thirds, double foldback run, three runs, four runs and a spiral staircase, and so on. What are the advantages and disadvantages of different materials stairs? Bazhou Kang Xian Zhuang Tian Hardware Factory Website: www.htlouti.com Contact: Jiang Baiqing Phone: 13513265724 landline: 0316- 7991298 QQ: 425 807008 E-mail: 425807008@qq.com Address: Bazhou Kang Xian Zhuang Industrial Park Yashima Network finishing release market distribution: [Kunming, Yunnan, Qujing, Yuxi, Baoshan, Zhaotong, Lijiang, Simao, Lincang, Wenshan, Red River, Xishuangbanna, Chuxiong, Dali, Dehong, Nujiang, Diqing]