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.

　　Seat and back panel: The inner panel is made of multi-layer plate by hot press molding, and the back shell is made of high-quality PP (polypropylene) multi-element composite material by injection molding, with sound absorption holes, the overall sound effect is more enjoyable.

　　Fabric: Made of high-quality hemp, wear-resistant, anti-color change, moderate softness, easy to clean.

　　Chair: made of 2.0mm high-quality steel plate stamping and welding, polished, and the armrest frame is made of high-quality multi-layer spin-cut birch veneer with formaldehyde-free environmentally friendly glue, hot-press molding, paint finish;

　　Writing board: Aluminum alloy rotating mechanism, flip-down PP writing board

　　Armrest cover: It is made of imported logs after 5 times of polishing and sealing, and the paint is imported from Taiwan.

　　Reply function: adopt elastic recovery mechanism;

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