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D539
D539
D539
D539
D539
D539
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  • D539
  • D539
  • D539
  • D539
  • D539
  • D539

D539

1. Chair frame: The steel frame is made of round square pipe 19.2*32.3*T1.5mm high-quality Q235 carbon steel pipe, fully automatic robotic arm welding, strong stability, the surface is treated by high-speed sanding and rust removal, and the high-temperature baking paint spraying process is adopted, the paint surface is firm and does not strip the paint
2. Back: New PP+25% glass fiber, integrated injection molding, upper and lower double-layer backrest design, ergonomic curve shape to achieve support for specific parts such as thoracic spine and lumbar spine, effectively protect the waist and back, and prevent sub-health risks of sitting for a long time. The upper end of the backrest is designed with a handle for easy movement. The implicit free structure allows the back of the chair to lean back 12°±2 within a certain range, adopts imported special net, high strength, wear-resistant, comfortable sitting, and applies 60kg of thrust to it, keeping it for 60s, no abnormality
3. Chair seat: Suspended hollow chair seat design, integrated injection molding process, using new imported PA+ glass fiber material, effectively enhance the structural strength of the chair body. Using Korea imported special net, high strength, wear-resistant, comfortable to sit. The 24-hour formaldehyde emission is less than 0.120 mg/m2 · h, which meets the QB/T 2280-2016 test standard
4. Caster: Φ50mm, PU surface silent nylon wheels
5. Function: The cushion is turned up, pushed and stacked for storage, saving space
6. Writing board: using high-quality PP+30% glass fiber thickened board surface, with fine polishing aluminum alloy rotation mechanism, can be flexibly rotated and retracted. Load-bearing capacity of 20KG, with ergonomic design of pen tray and cup position

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D539

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