*Mining white chair back headrest PP+25% fiberglass, ergonomically fixed headrest
*Up and down adjustment of waist support, Huayu mesh fabric
*Mining white PP+25% glass fiber connected handrail, 14mm thick E1 grade environmentally friendly ecological seat board
*75 density shaped sponge/rubber shell with seat, 2.5 thickness medium shift butterfly chassis
*Yuechang (Xie Qiang) Level 4 black gas pressure rod, certified by SGS
*340 # PA Mine White Nylon Feet, Φ 60 Black PU Wheel Certified by SGS