1: Casters: Ordinary casters, PU wheels (soft materials, suitable for wood flooring, and the computer room).
2: Chair Foot: The thickness of the iron frame directly affects the service life of the chair. Surface treatment: polishing, painting, baking paint (surface gloss, not easy to remove paint), electroplating (wooden racks can not be electroplating), electroplating quality, not easy to rust.
3: Pneumatic rod: Also called Stretch drop rod, used to regulate the height and rotation of the chair.
4: Chassis: The part of the seat of the chair, under the air rod connected.
5: Seat: Wood, sponge, fabric composition. The quality of the plank is usually not felt by the consumer. Sponge: Regeneration sponge, new sponge. 99% manufacturers are the use of both, the thicker the harder, the higher the cost, the thickness is appropriate, the hardness is appropriate. Hand chair seat, Fabric: Ma Rong, mesh cloth, skin. Plastic box press the Internet cloth. Such chairs are more breathable.
6: Armrest: Thickness affects quality.
7: Chair Back seat connection (horn code): Seat and chair back are divided, the use of steel or steel plate, steel plate, usually 6mm or 8mm thick. But the width is less than 6cm steel plate, must be 8mm thick.
8: Chair back: Steel frame frame, plastic frame chairs, using mesh cloth, with breathable.
9: Waist Pillow: embodies the comfort of the chair.
10: headrest: The comfort of the chair.