1: Casters: ordinary casters, PU wheels (soft materials, suitable for wooden floors, and machine rooms).
2: Chair legs: The thickness of the iron frame directly affects the service life of the chair. Surface treatment: polishing, spray painting, baking varnish (surface gloss, not easy to remove paint), electroplating (wood frame can not be electroplated), the electroplating quality is good, and it is not easy to rust.
3: Pneumatic rod: also called the extension rod, is used to adjust the height and rotation of the chair.
4: Chassis: the part holding up the seat, the bottom is connected with the air rod.
5: Chair seat: It is composed of wood, sponge, and fabric. The quality of wood boards is usually not felt by consumers. Sponge: recycled cotton, new cotton. 99% of manufacturers use the two together, the thicker and harder, the higher the cost, the thickness is appropriate, and the hardness is appropriate. Press the chair seat by hand, Materials: Ma Rong, mesh, leather. The plastic frame is pressed into the net cloth. This type of chair is more in line with breathability.
6: Handrail: Thickness affects quality.
7: Chair back seat connection (corner code): The chair seat and the seatback are separated, connected by steel pipe or steel plate, steel plate, usually 6mm or 8mm thick. However, steel plates with a width less than 6 cm must be 8 mm thick.
8: Chair back: a chair with a steel frame and a plastic frame, which is made of a combination of mesh cloth, which is breathable.
9: Lumbar pillow: reflects the comfort of the chair.
10: Headrest: express the comfort of the chair.
