Standard configuration description

Back sponge: cold foaming and high rebound set pu sponge is used for one-piece foaming, with a density of up to 55kg / m3.

Block cotton: cold foaming and high rebound set pu sponge is used for integral foaming, with a density of 60kg / m3. It is not easy to deform after long-term use; 1.5mm thickened steel frame + serpentine spring is built in the block cotton, and black non-woven fabric is used as the partition layer, so the block bag is not easy to deform and durable;

Base and back outer plate: high-quality multi-layer rotary cutting birch skin is hot pressed with formaldehyde free environmental protection glue, the surface is polished and sprayed for 5 times; the paint is imported from Taiwan Dabao paint; the thickness is 16mm;

Fabric: made of high-quality hemp fabric; seat back cable positioning and padded with mercerized cotton;

Handrail and writing board: the high-quality aluminum alloy die-casting process handrail and writing board mechanism are moulded together. The bottom of the handrail is connected by 40 * 60 square tube. The writing board panel is directly installed through the ABS composite material after hot pressing and shaping, with smooth and free rotation; The metal surface shall be polished, derusted, anti-oxidation, electrostatic spraying, high temperature curium furnace, etc., and the side plate of the side shall be formed with multi-layer board covered with cotton cloth

Stand foot: the stand foot is formed by stamping and welding of 2.0mm cold-rolled steel mold, with two stand feet on the ground, concealed ground explosion screw and rubber cover on the outside.

Handrail cover: it is made of imported log and polished and sealed for 5 times, and the paint is made of Dabao paint imported from Taiwan;

Recovery function: adopt spring and damping air rod recovery mechanism.

Explosion screw: stainless steel hexagon socket head cap screw and zinc plated expansion nut are used.