... rivet, electric hammer, spanner, screwdriver etc, need power to install the house30EfficiancyFour skilled labor one day can erect 40m2's house ... interested in our steel structure building, please kindly give us the following information: 1. Dimension: Length, width, height, ... Please send them to us. Surafce: hot dip galvanize or PaintedDrawings: We can make the quotation according to customer's drawing ...