1, the frame of the use of black plastic new material brazing, anti-aging, add anti-cold agent minus 20 degrees below the burst,<br>2, fabrics using breathable mesh cloth,<br>3, the armrest can pass the 91kg static pressure test and 45kg horizontal pull test,<br>4, chassis thickness 2.5MM, 5 native foaming sponge, sponge density≥35kg/m3,<br>6, steam rod, nitrogen purity of 99.99 percent, the thickness of the inner wall 1.5mm, the thickness of the outer wall 1.2mm,<br>7, nylon feet, can withstand 1136kg static pressure for 1 minute, twice in a row,<br>8, PA-PU mute wheel (black), 115 kg under the weight of rotation 100,000 weeks without fault.
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