... operation and comfort [4]Quick delivery QINGONG 50 tons Truck crane QY50QQINGONG Truck Crane Branch introduced the most advanced technology from Europe and Japan ... and developed its unique truck crane series, including QY16Q, QY20Q, QY25Q, QY35Q, QY50Q, QLY4Z, QLY5Z, ... Moment(KN m)1515Boom Base Section(m)10.8Boom(m)40.8Boom+Jib(m)55Lifting Speed 12(m/min)6. ...