1. Back: polyurethane sponge wrapped by high grade upholstery fabric, lined with plywood.


2. Seating cushion: shaped polyurethane sponge wrapped by high grade upholstery fabric, lined with plywood, with multi-hole noise-absorption plate at the bottom of cushion.


3. Seating cushion reverts to original position by an automatic torsion spring. This design features accuracy and low noise


4. Legs are made of A-grade steel sheet or profile steel and are treated with welding and plastic injection.