Extra connection steel board connected the back and seat, make the
chair much more durable.
2.5mm thickness buttterfly mechanism, can meet BIFMA standard. Knee
titl tension adjustable. Extra plastic protection cover make sure
the most safety daily using.
BIFMA & EN1335 standard gas lift. Meet 100,000 times fatigue
test.
Nylon base have 1136kgs upright static pressure.
Nylon castors with 100,000 times rolling fatigue test (under
loading 120kgs pressure)
Middle back chair give you most confortable seating feelings.
360 degree swivel position, you can seat on the chair and get
anything at any position around you.
Color: Black, Brown, Blue, Gray, Red, normal color