符合人體工學. 傾仰功能，3 段式鎖定. 傾仰角度  0~ 20 度，椅背安全回彈裝置，氣壓升降，彈簧鬆緊調整， 孔距：150 × 200 mm，6段式滑軌,可滑動距離50mm   .

Synchronized mechanism

Ergonomic design.

Tilting function, 3-stage locking. 

Tilting ride : 0°~20°.

Backrest return-preventing system. 

Gas lift height adjustment.

Spring tension adjustment.

Hole space : 150 × 200 mm

6-stage locking slider,50mm movable.