... (141-280M); Max load (6-64T)2. Topless tower crane: Jib lenght(30-80M);Max under hook hight( ... Feature: advanced technology,strongconnectivity.( 8 ) Driver cab : With arc space capsule , toughened glass , widefield of vision , clear and safe ,auto ... ) Basic mast section : square strengthened steel, repeatedlyapplicable, convenient in tower crane displacement. But lower in cost.( 10 ) Mast section : ...