... if it is fitted underground.Hydraulic direct driveThe column uses N+1 type,strongly interchange character,more parking space,more economical. ... the empty space.Columns can be shared ,more economic and steadyDual-cylinder lifting system,more stable and reliableChain-equalization systemSingle manual or ... , ODM Accepted , OEM AcceptedSafety/Quality Approvals 2.7t Hydraulic double car parking lift EPO606H