Standard configuration instructions

　　Back sponge: It is made of cold-foamed high-resilient PU sponge with one-piece foam molding, and the density is up to 55Kg / m3.

　　Block: Made of cold-foamed high-resilient PU foam in one piece, with a density of 60kg / m3. Long-term use is not easy to deform; the seat cotton has a built-in 1.5mm thick steel frame + serpentine spring, and a black non-woven fabric is used as a partition. The seat bag is not easy to deform and durable;

　　Seat, back outer panel: high-quality multi-layer spin-cut birch veneer formaldehyde-free environmentally friendly adhesive hot-press molding, the surface is polished and sprayed 5 times; the paint is imported from Taiwan Dabao paint; the thickness is 16mm;

　　Fabric: Use high-quality hemp fabric; seat back cable positioning and cushioned mercerized cotton;

　　Chair legs: made of 2.0mm high-quality steel plate die stamping, welding and polishing, and attached with high-quality PP cloth decorative board;

　　Writing board: the base material adopts high-density board surface with fireproof board, and the writing board link mechanism adopts aluminum alloy device, which has strong resistance to pressure and is hidden in the handrail;

　　Armrest cover: It is made of imported logs after 5 times of polishing and sealing, and the paint is imported from Taiwan Dabao paint (thickness 25mm);

　　Recovery function: adopt spring and damping gas rod slow rebound mechanism;

　　Earth explosion screw: stainless steel hexagon socket head screw and color zinc-plated expansion nut;