New soft rubber and new materials for the back of the chair, and nylon and fiber for the support engineering. <br>Seat plate: The seat moves back and forth to adjust the seat depth; high-density shaping sponge <br>Armrest: 4D armrest surface, movable front, back, left and right. <br>Chassis: Multifunctional integrated chassis, providing tilt lock and working status settings. <br>Standard: Pneumatic rods and casters comply with BIFMA quality standards. <br>Tripod: PA engineering nylon five-star feet, bearing 1500KG.
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