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: it is made of high quality hemp, wear-resistant, color resistant, moderate softness and easy to clean.

Chair foot: it is made of 2.0mm high-quality steel plate die by stamping, welding and polishing, and it is pasted with high-quality PP cloth decorative board;

Writing board: using aluminum alloy rotary writing board, writing board is PP material;

Handrail cover: high quality PP material handrail;

Recovery function: elastic recovery mechanism

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