1: Casters: ordinary casters, PU wheel (soft materials, suitable for wood flooring, and 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 paint off), electroplating to remove the atlas (wooden racks can not be plated), electroplating of good quality, it is not easy to rust.
3: Air Rod: Also called extension drop rod, used to adjust the height and rotation of the chair.
4: Chassis: Lift the seat of the part, the following is connected with the gas bar. 5: Chair Seat: It is composed of plank, sponge and fabric. The quality of the plank is usually not felt by the consumer. Sponge: Recycled cotton, new cotton. 99% manufacturers are both used together, the thicker the harder, the higher the cost, thickness appropriate, hardness appropriate can be. Press chair seat with hand, Fabric: Maron, mesh, leather. Plastic frame pressure web cloth.
This kind of chair, more accord with air permeability.
6: Armrest: Thickness affects quality. 7: Seat back seat connection (corner code): Seat and chair back is divided, using steel or steel connections, steel, usually 6mm or 8mm thick.
But the plate width is less than 6cm, must be 8mm thick.
8: Chair back: Steel frame frame, plastic frame chair, made of mesh cloth combined, with breathability.
9: Waist pillow: reflect the comfort of the chair. 10: Head Pillow: Performance The comfort of the chair.