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 when used for a long time;

Base and back plate: the inner plate is made of multi-layer plate by hot pressing, and the back shell is made of high-quality PP (polypropylene) multi-element composite material by pressing, with sound-absorbing hole, so the overall sound effect is more enjoyable.

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 elastic recovery mechanism.

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