... operation,high in working efficiency,precise in land-leveling,well in water-saving effect 1PJ- ... adopted the advanced laser control technology,equipped with the riding chassis,drived by four-wheel,which ... in operation,high in working efficiency,precise in land-leveling,well in water-saving effect, it ... is an advanced paddy field land-leveling machine for the momen Specification ItemModel1PJ-3 ...