... outside-climbing, inside-climbing, horizontal-jib, luffing-jib, hammer-head, flat-top, multi-speed, stepless-speed), Construction ... Elevators(multi-speed, stepless-speed), Concrete Mixers (rotary-drum-type, double-horizontal-shaft), Concrete Batchers, Concrete ... -mountedConcrete Pumps (diesel, electric),Concrete Pump Trucks (with 24-52m booms), Asphalt Mixing Plants (40-320t/h, ...