ItemKH-3469
A title with spring tension, seat & back are independently adjustable and can be locked infinitely as desired tilting angles, Forward tilting is optional with one-leaver action, suitable for chair of big size.

item:KH-3470
A title with spring tension, seat & back are independently adjustable and can be locked infinitely as desired tilting angles, Forward tilting is optional with one-leaver action, suitable for chair of big size.