Make chairs safe,comfort,smooth rotation,
without mechnical noise

Gas spring is height adjustment device of office chair.
It improves the inconvenience of the previous chair based on highly developed technology.
It is product that nitrogen gas of colorness, odorless and non?toxic is compressed with high pressure.
It is high?performance product which can fluctuate 200,000 times, rotate 133,622 times, back durability 120,000 times, impact test100,000times. Our gas spring also can resist the winding and bear 150 kilograms. So it is widely used in the office, school and home chair because of safety, comfort, smooth rotation. No mechanical noise during the height adjustment.