... : genuine headrest, good elasticity, sufficient toughness ,make it more comfortable.Back/seat: With PU foam molding, such sponge is a high-quality ... and other advantages.Chassis: domestic chassis, BT top stand, the seat height can be adjusted.Pressure bar: “Sanhong” pressure bar imported ... .Unique design of human nature( the height of back, the depth of seat and the width of armrest all can be adjusted ...