... to 12m--Easy to use and deliverySingle mast aerial work platform----Strengthen Aluminum alloy design,make sure it is handled ... after fix,it is very convenient to work.----light-duty,single series high altitude work flat roof, electrohydraulic transmission,safety and ... elevator door.Quality and capability exceed JC5099-1998,JG/T5103-1998,and CE.Single mast aerial working platform Technical DataCodeGTWY ...