Four post cargo lift works same with guild rail type cargo lift, while it has higher reach of heights max to 30M. The access for loading and unloading goods could be four sides on platform, the space of platform is larger for loading goods. MIE LIFT will propose proper solution per customer specific needs accordingly. Free design and solution per site require is available. Site pictures, videos and drawings will be helpful to provide accurate and proper design to suit customerâ??s special needs. Standard Features 4 Heavy Duty Posts Anti-drop when platform level with floor Heavy duty leaf chains Back up wire rope for safety PLC control box Safety backup limited switch 24V Safety control circuit Side railings on platform Digital control pane on each landing stop Manual lower valve Emergency stop Explosive-proof valve Pit install, pit depth 200mm 5 year warranty on main structure (indoor use) 1 year warranty electrical components