Middle chair:

1, fabric: Taiwan Yida flame retardant dacron fabric, color fastness, good light resistance, high strength and resilience, fast and durable, wrinkle free and ironing.

2, sponge: the head pillow, the back of the chair, the sitting bag use the one-time mold molding PU mold sponge, the density is more than 50KG/M3, the sponge thickness of the back of the chair is 50MM, the thickness of the sponge is 70MM, the feeling of sitting is extremely comfortable, long use invariable type, no collapse.

3, plastic: handrails, chassis decorative shell, chair back and sitting bag built-in bottom plate are made of PP and glass fiber new material. It has strong crack resistance, corrosion resistance, aging resistance, non-toxic and environmental protection. It can be recycled and recycled.

4, aluminum alloy parts: back side of the chair is designed with aluminum alloy support back strip, enhance the back pressure of the back of the chair, surface polishing treatment, good reflection, high grade and generous.

5. Chassis: new patent chassis, precise structure, zero noise design, easy operation.

6, air rod: use the high 80 stroke steam rod imported from Korea for 120 thousand times without leakage, detected by BIFMA.

7, five star feet: aluminum alloy die-casting, polishing the surface, good reflectivity, load up to 1200KG.

8, casters: 60MM, PU nylon casters, casters after 50 thousand resistance and fatigue tests without rupture.

9, function: the waist pillow can be adjusted up and down; the sitting bag can be adjusted by the 7 segments of the front and back according to the seat space; the chassis has a lift, a tilting, a stepless lock, and a function.

10, net weight / gross: 20/22KG