... hight(141-280M); Max load (6-20T)3. luffing jib tower crane:Jib lenght(30-50M);Max under hook hight(103.5 ... brand, the quality is the same with exporting supplier "Potain " .( 5 ) Luffing mechanism is double-speed cone rotor motor, so It’ ... -dioxide shielded and automaticsubmerged arc welding. Feature: advanced technology,strongconnectivity.( 8 ) Driver cab : With arc space capsule , toughened glass , ...