■New nylon back frame, after 50,000 times pull back test <br>■New nylon fixed headrest, with sponge, soft and comfortable <br>■Multifunctional keel lumbar support close to the waist, adjustable according to human comfort <br>■New PP elastic movable armrest <br>■Full Hollow seat cushion, imported nylon special mesh <br>■300MM thick super large square lifting chassis ■Button type 300N linear <br>pneumatic reclining function, backrest can be adjusted at any angle <br>■85 stroke three-stage black lifting air rod ■Plating footrest, can bear 30KG weight <br>■ 340MM nylon feet (aluminum alloy feet), with 55MM reinforced nylon wheels
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