Shandong Hongda Construction Engineering Group Co., Ltd., is professional manufacturer of construction machinery as tower crane, construction elevator, concrete mixer truck, concrete mixing plant, trailer concrete pump, truck-mounted concrete pump, asphalt mixing plant, ratory drilling rig, mini-excavator, garbage compression truck. We welcome you all to our factory at your convenience. We promise to give the best price and service. You can contact me directly by email. I will reply you as soon as possible.