dustless concrete grinder with vacuum outlet

{"cid":"91108167","title":"12 Heads Dustless Concrete Grinder With Vacuum Outlet","imgUrl":"https:\/\/img.chinax.com\/nimg\/02\/dd\/1041778c8d6d9071f104c7f53e4b-200x200-1.jpg","attrs":{"Price":"upon request","Brand Name":"MERROCK","Model Number":"V12-550","Minimum Order Quantity":"1pc","Delivery Time":"9","Certification":"CE, ISO9001,etc.","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"150 sets\/month","Packaging Details":"Iron frame+carton, Export wooden box","Grinding Head":"12 Heads","Inverter":"10HP","Water Tank":"30L","Function":"Terrazzo, Concrete, Marble, Granite","Motor":"10HP","Rotating Speed":"0-1500rpm","Working Width":"550mm","head":"4","driven system":"Gear"}}

{"cid":"91188762","title":"3KW Concrete Floor Grinding Machine Concrete Grinder Cement Polishing With 350mm 400mm Grinding Discs","imgUrl":"https:\/\/img.chinax.com\/nimg\/87\/18\/67c52d53873ed173418261c6fa3f-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Bilon","Minimum Order Quantity":"1 pc","Delivery Time":"15 days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"1000 Set\/Sets per Month","Packaging Details":"wooden case or carton package","Voltage":"220V\/380V","Grinding depth":"0.05mm","Power(W)":"3KW\/4KW","Weight":"156 kg","Grinding width":"350mm\/400mm","Dimension(L*W*H)":"740*450*910mm"}}