... to UK,USA,Europea 5.Used for event,activity Name:First class plastic base of barrier retractable for queue controlBrife introduction: ... OEM.C. The only retractor products enterprise in the Shanghai World Expo in Year 2010.2.Function: Accessory for:rope ... , prevent accidents and control crowd.3.Use occasion: mainly used in Bank, Supermarket, Hospital, Shopping Mall, Subway, Exhibition, Railway Station, ...