What types of airport chairs are there? What occasions are public seats mainly used for?

According to material classification: aluminum alloy armrest foot airport, iron airport chair, stainless steel airport chair, new material PU injection chair;

According to the size classification: single-seat airport chair, multi-seat airport chair, airport chair with armrests, airport chair without armrests plus infusion rod, airport chair with coffee table

General usse:

It is used in public places, such as airports, railway stations, bus stations, terminals, waiting halls, hospitals, clinics, exhibition halls, shopping malls, nursing homes, banks, orphanages, offices, entertainment venues, churches and other public places.