Steel office sofa size selection is very important because it is directly related to people's health problems. Armchair peripheral width is usually between 70 cm to 100 cm; double sofa peripheral width of 140 cm to 200 cm; three-seat sofa peripheral width of between 170 cm to 240 cm. Armchair depth is between 68 cm to 75 cm, with the increase in the number and depth gradually reduced to 60 cm to 70 cm. For office sofa steel handrails handrails height of 56 cm to 60 cm, sofa sitting height from the ground surface should be between 35 cm to 40 cm. Hao Mike office furniture Contact: Zhang Tel: 0534-2410081 Fax: 0534-2410081 Mobile: 18653409960/13356265655 mail: 64449155@qq.com Address: Industrial Park, Dezhou chenzhuang Website: http: //www.hmksf.com