1, casters: ordinary casters, PU wheel (soft material, suitable for wood flooring, and room).
2, chair legs: Iron thickness directly affects the service life of the chair. Surface treatment: polishing, painting, paint (surface gloss, easy to paint), plating (electroplating, plating wood can not) good quality, it is not easy to rust.
3, gas rod: also called the extension rod, used to adjust the height and rotation of the chair.
4. Chassis: the part of the seat of the seat, which is connected to the gas rod.
5, chair seat: made up of wood, sponge and fabric. The quality of the board is usually not felt by the consumer. Sponges: regenerated cotton, new cotton. 99% manufacturers are both with the use of both, the thicker the harder, the higher the cost, the thickness of the appropriate, the proper hardness. Hand pressure seat, fabric: Ma Rong, net cloth, skin. Plastic frame press the net cloth. This kind of chair is more fit for air permeability.
6, armrest: thickness affects the quality.
7, the back seat is connected (corner): the seat and backrest is split, connected with steel pipe or steel plate, usually 6mm or 8mm thick. But the steel plate with a width less than 6cm must be 8mm thick.
8, the back of the chair: the steel frame, the plastic frame chair, combined with the mesh cloth, with air permeability.
9, waist pillow: embody the comfort of the chair.
10, head pillow: show the comfort of the chair.