Padded PP arm. Above 45kgs upright static pressure. Two points locking position. Extra connection steel board connected the back and seat, make the chair much more durable.
Aluminum synchronize mechanism, can meet BIFMA standard. Knee titl tension adjustable. Any time locking position.
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)
Extra big size 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