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, after adjustment), comfortable, armrest can be adjusted up and down as required, adjusted by the user is free to put five more than comfortable positioning synchronous reclining mechanism. (3:1 synchronous tilting multi-angle positioning and chase back anti-collision function): Move the backrest and seat cushion angle of the ratio of 3:1 - so users legs and back a more balanced, natural and feel comfortable 6 bar air pressure. : South Korea three Hong 10cm process gas spring, can lift tens of thousands of times that users may like to adjust the seat height ergonomic theory, users sedentary, were not tired 7 Legs: Nylon five-star feet. Static load 1200 kg of weight, but not due to changes in temperature and humidity aOffice chairs Factory Company China India
black office chairs
