1.CE certificate 2. Used in household,office building,parking lots etc 3. Columns can be shared more economic and ... driveThe column uses N+1 type,strongly interchange character,more parking space,more economical.Multi-stage cylinder behinder of the clumns ... , ODM Accepted , OEM AcceptedSafety/Quality Approvals 2.7t Hydraulic double car parking lift EPO606H