Shandong Aolide Engineering Equipment Co., Ltd. especially in R&D and provides laser screed ,located in Yanzhou,Jining City,Shandong China .Laser screed model as below :2-Wheel self-propelled laser screed 4-Wheel rided laser screed machine (S 740 )4-wheel fully hydraulic laser screed (S 840 Hand-held small floor machine ,Power TrowelWalk-behind Trowel1-2 tons hydraulic roller etc .