... 2m nylon or pp belt 3.fuction:queue management retractable for the wall mounted security barrier, Brife introduction:1. Enterprise introduction ... 10 year management of OEM.C. The only retractor products enterprise in the Shanghai World Expo in Year 2010. ... .3.Use occasion: mainly used in Bank, Supermarket, Hospital, Shopping Mall, Subway, Exhibition, Railway Station, Gym, Airport, Manufacturing Shop ...