WD537 A four legged conference chair with a configurable writing board

1. Chair frame: The steel frame is made of high-quality Q235 carbon steel pipes with 19.2*32.3*T1.5mm round and square tubes. It is welded by a fully automatic mechanical arm, which is highly stable. The surface is treated with high-speed sandblasting and rust removal. The high-temperature baking paint spraying process is adopted, ensuring a firm paint surface that does not peel off.

2. Backrest: Brand-new PP+25% glass fiber, integrally injection molded. The elastic lumbar support with a curved design provides support points for specific parts such as the thoracic and lumbar vertebrae. It effectively protects and supports the back, preventing sub-health risks from prolonged sitting. The upper handle design of the backrest makes it easy to move. The built-in free and easy structure enables the backrest to tilt inward and backward by 12°±2 ° within a certain range. It is made of thickened fine-hole 300-square-gram mesh fabric, which is comfortable and breathable. When a thrust of 60kg is applied to it and maintained for 60 seconds, there is no abnormality

3. Chair seat: Made of national standard shaped sponge with a density of 68 and a hardness of 45, weighing 0.58kg. High-elasticity breathable seat fabric of 280 square grams is selected, which is comfortable and breathable. It is equipped with a PP engineering plastic dust-proof bottom shell. The 24-hour formaldehyde emission was less than 0.120 mg/m ² ·h, meeting the QB/T2280-2016 testing standard

4. Handrail: Brand new PP+25% glass fiber, can be flexibly flipped up. The seating space has been increased, making it more spacious and comfortable

5. Foot plug: Featuring an original triangular design, it enhances ground contact and is anti-slip and wear-resistant.

6. Function: The seat cushion can be flipped up and folded for storage, saving space for placement

7. Writing board: It features a thickened surface made of high-quality PP and 30% glass fiber, and is equipped with a finely polished aluminum alloy rotating mechanism, allowing for flexible rotation and retraction. It can bear a load of 20KG and features a humanized pen slot and water cup position