Office Swivel Computer Chairs 1. original design and splendid manufacture 2. Supply kinds of office furnitures Office Swivel Computer Chairs: 1.Surface material ,the material on the picture are PU+PVC the front parts(back and seat)are made from PU , back and underside are made from PVC or there are :china domestic split leather +PVC,half top cow leather+PVC,full top cow leather cover all the ...