Lifting mast system is very rigid,its characters are: high-intension aluminum alloy mast, interlock system, flexible pillarand the lifting chain which have more than 10:1 safety factor. Also load steel wire safety system, to strengthen dynamics and reliability, convenienceto repair,its welded and high-strength steel base is fit for wretched working conditions. Fit forthe special high-altitude work can'tbe doneby other lifting machine. It have six lifting masts, the highest height can be 26m,the biggest load can be 150kg,can keep steady, safety and firm, match with hydraulic pressure overturn frame, convenient to comein andout standard door and route way. Six masts aerial working platform Technical Data Code GTYW-26 Work height(m) 28 Platform height(m) 26 Storage size(LXWXH cm) 247X124X288 Machine-weight(kg) 2200kg Carrying capacity(kg) 100kg AC 220V(can choose DC 12V or both AC and DC ,also can choose overture frame, will charge plus.