Seating points what material?

What are the material the seating? The problem is both simple and complex, also appeared a lot of time on the Internet such a question, how can so really need real know seating material. Contains seating is very wide, every row in the form of the seat can be called seating, for example: park, airport, station, classrooms, auditorium, films and so on all have a row of seats. Park seating: most of the material is: wood, wood, stainless steel, iron, stone, cane, etc. Airport, station seating: aluminum alloy, stainless steel, steel, plastic, leather cushion, PU, etc. The auditorium, theater seating: PP gathers splendid alkene, stainless steel, aluminum alloy, PU, etc. Classroom seating: wood, wood, stainless steel, aluminum alloy, etc. According to your own space requirements, choose the appropriate style and material, if you don't understand directly consulting manufacturer is more practical.