Chair back soft glue new material, bracket engineering nylon fiber.<br>Chair seat high elastic shaping cotton, density 55, seat can slide back and forth, specialself-made self-weight chassis.<br>Lifting armrests, PU armrests, nylon brackets.<br>Three-stage pressure bar, 60mm diameter nylon casters in accordance with BIFMA test standards.<br>Scaffold: PA engineered nylon five-star feet, load 1500KG.
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