Office furniture, A: one, the basic structure   1: castor: ordinary caster wheel, PU wheel (soft material, suitable for wooden floor, and room).   2: the chair foot: the thickness of the hob directly affect the service life of the chair.Surface treatment: polishing, spray paint, paint, surface gloss, not easy to take off the lacquer), electroplating (wooden frame can not plating), electroplating quality is good, is not easy to rust.   3: gas rod: also called extension rod, used to adjust the height of the chair and rotation.   4: chassis: hold a seat part connected to gas bar below.  Now the 21998871111219982387Office chair Consists of board, sponge, fabrics.The quality of wood is often consumers feel less than.Sponge: renewable cotton, cotton.Using 99% manufacturers are both collocation, the thicker the harder, the higher the cost, the appropriate thickness, hardness can be appropriately.withHand pressure chair, fabrics: MaRong, mesh cloth, leather.Plastic box press cloth on the Internet.This kind of chair, conforms to the permeability.   Office chair prerequisite1, will help to keep the spine natural curve, while the back of a chair to avoid sitting lumbar curve is not natural, the deformation of the intervertebral disk take on too much pressure, affect the body health, must accord with human body work study lumbar cushion for leaning on the back of the chair (Lumbarcushion).  2, accord with human body curve of the three-dimensional curved surface chairAccording to ergonomics and design of the curved surface type chair can increase the bottom and thighs hips and chair of the contact area, to disperse and reduce the pressure of these areas.  3, comfort, and can be used for a long time good chair, in addition to have the correct curve, the most important is to comfort, therefore, must pay attention to the quality of the cushion.  4, lightweight, fast, accurate height adjusting device on the surface of the seat height must adjust very appropriate.Too high will make the legs hanging, make ham bottom by excessive load, oppressionThis section of the blood vessels, can lead to blood circulation and poor posture.Low and high relative to the desktop is too high, can produce the pain in the shoulders and arms.    Office chair of choose and buy1.The depth of the office chair  A more formal occasions, people sitting position is sitting.The posture of people should be good, will be expected to sit in chairs in front of the & other;Light & throughout;The location of the.If at home, people will be more relaxed,This situation is unlikely to do more deep.So when buying should sit first,Try to sit down when the depth of the whole body feeling, can know whether it can meet the needs of office.  2,The height of the chair - chair foot  Feet long and close it with users, of course besides chair class high chair, chair seat surface height are usually not too exaggerated, but if the unit does have short stature also to consider.  3,The height of the armrest  When seated, if it is used to put both hands hang down, might as well choose armrest is low or no office chair armrest;But if you like the whole people shrink in the middle of the office chair, then, deeper chair, armrest is higher, seat surface is probably the best choice.    Due to the progress and development of modern society, many countries are in more than 70% of the staff working in the office, they all need to have the appropriate office chairs, GAVEEpromptSub-health is this kind of person is worth us to pay attention to, so a good ergonomic office chair which not only raise a work efficiency, also is a kind of health.