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e back anti-collision function): Move the backrest angle and seat of proportion 3:1 - so users legs and back a more balanced, natural and feel comfortable 7 Strut: South Korea three Hong 10cm process gas spring, can lift tens of thousands of times that users may like to adjust the seat height in line. ergonomic theory, users sedentary, were not tired 8 Legs: Black aluminum five-star foot, static load 1200 kg weight,
