gantry systems wheel blocks for cars

{"cid":"91223289","title":"Cranes Gantry Systems Rail Traveling Transfer Car DRS500 Wheel Block With Drive Motor","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/88\/78\/fe0e0da650438f3028e7fb58e4c6-200x200-1.jpg","attrs":{"Price":"USD150-5000 one pcs","Brand Name":"kiwicrane","Model Number":"DRS","Minimum Order Quantity":"1","Delivery Time":"15 working days","Certification":"ISO,CE","Place of Origin":"China","Payment Terms":"D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"1000pc one year","Packaging Details":"wooden case","Product":"Wheel Block","Size":"DRS125-DRS400","Wheel Material":"42CrMo","Traveling Speed":"10\/20\/30\/40m\/Min","Case Material":"Cast Iron","Installation Method":"Side Or Top"}}

{"cid":"91202673","title":"Steel Crane Shaft Cast Ld Wheel Block Set For Overhead Crane","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/96\/24\/d62913ea0946c1c0e071ca03cb80-200x200-1.jpg","attrs":{"Price":"USD200-2000","Brand Name":"SANTO","Model Number":"Casting, Forging; double flange, single flange, no flange","Minimum Order Quantity":"1set","Delivery Time":"15-30 working days","Certification":"ISO, CE","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"20000set\/year","Packaging Details":"High quality wood box","Flange":"double flange, single flange, no flange","Wheel Load":"up to 200t","Wheel tread hardness":"HB330-380, HRC50-56","Function":"mobile devices and systems, as single components or as complete travel units","Material":"42CrMo ;40CrNi2Mo, 65Mn (SWQR-1 ); 60 and so on","Depth of quenching":"up to 15mm","Heat treatment":"quenching & termpering","Manufacturing":"Casting and forging"}}