Finally, the painted ladder scaffold is safe and reliable, with good self-locking ability of joints and series standardization. Good overall performance: equipped with longitudinal and transverse locking devices such as footplate, parallel frame, buckle wall tube, horizontal and cross-tie tube. Reasonable bearing force: the pressure is directly borne vertically by the riser, and the performance indexes meet the construction needs. Good fireproof performance, all main frames and accessories are steel products.