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HeZe LuDa highway equipments co., It is established through the approval of ShanDong province science committe ,ad specialized in researching and developing highway equipment of raising temperature of asphalt and mechanical equipment of building road and providing maintenance for a road ,It gathers science and research .produce,sale and service in the integral whole ,and it is comprehensive and high and new echnique enterprise .It have complete system of guaranteeing quality and after-sale service.