Intelligent industrial diamond grinder Product Description Features: 1.Hidden telescopic carrying stick design,used for manual carrying machine or adjust the using way, can be easy achieved by only a control buttom. 2.Multifuntional addition weight design,can easy achieve add weight ,lay up,foot treadle easy to change pads. 3.Ergonomic operation lever design, easy to achieve pads change, working, transportation,storage 4.Floating dust cover design can automatic adjust according to different floor conditions that can colleact dust well. 5.Four heads planetary running direction design can provide greater grinding force, can fast achieve flatness and brightness when grinding and polishing 6.Patented shock mitigation system,can automatically adjust according to differents floor conditions when grinding, to achieve super flat surface. 7.Rubber wheel design, prevent to be impaled 8.The operator can adjust the length of handle bar quickly according to different working habits. 9.The hiden design of cooperating ring, easy cooperation and reduce the storage space. Model: HTG-777-4 HP: 20HP Working Width: 800mm Voltage: 220-240V/380V-440V Three phase Rotating Speed: 450-1950rpm Amperage: 29.3A Weight of Machine: 487kg Addtitional Weight: 20kg*2 Tool Holder Diameter: 4*310mm Application :wet and dry Dust-Vacuum connector: yes Water Tank Capacity: 40L Walking speed : 1.8km/h Packing Size: 135*85*120cm Why you should choose Xingyi Polishing Machine Co.,Ltd? 1.Xingyi is the well-known manufacture for system products of polished concrete and stone caring. 2.Undertake stone caring projects internationally and offer technical instruction to customers. Xingyi has 60 senior technicians who have received national certificate on Construction. China Training Center in Fujian. 3.Xingyi designed the first set of remote control floor grinding machine in China. 4.The quality is not controlled by the third party. Xingyi has strict production line and high demanding inspection. 5.The machines are with the technology from USA and Italy. It is driven by gear and motor instead of the old belt transmission. The life span is around 5-10 years. 6.Xingyi has passed SGS, TUV and ISO9001 certificates. The machines have passed CE quality certificate. 7.Xingyi offers OEM products for many customers successfully. 8.Xingyi warmly welcome customers to visit the factory at anytime. 9.Xingyi has 6 sets of CNCmachine for manufacturing the gears and has 2 sets of professional gear grinding machine for brand of Qinchuan, model YK7236A. 10.Xingyi has perfect service and after-sales teams. 11.Xingyi has cooperated with clients from more than 110 countries and has sole agent & office in many countries. It is better for you to enjoy after-sales services