More Detail: 1. High-quality environmentally friendly solvent-free technology leather, good gloss, easy to clean and durable; 2. Back frame: ≥18cm bending plate, high-quality high-rebound sponge, seat back durability test, the seat cushion exerts a force of 109kg, the back cushion exerts a force of 45kg, and the cumulative cycle test is 120,000 times, no abnormality, in line with ergonomics; 3. Seat cushion: ≥12cm 10-layer curved plate, high-quality high-rebound sponge, bearing 57kg through the seat cushion durability test, 36mm from the seat cushion height, free fall test 100,000 times, no abnormality; 4. Aluminum alloy precision-polished fixed handrail: leather handrail surface, passed the durability test: the vertical handrail is formed in a 10-degree direction, and a force of 41kg is applied to the two handrails at the same time, and the cycle test is 60,000 times without abnormality; 5. Chassis: with in-situ locking function; 6. Three-stage electroplating steam rod (nitrogen), explosion-proof, weight 123kg, no abnormality in 120,000 rotations, load-bearing 57kg, height from seat cushion 36mm, free fall test 100,000 times without abnormality; 7. Five-star feet: aluminum alloy finely polished bare feet, BIFMA standard 1136KG static pressure for 2 minutes, no abnormality; 8. Wheels: Reinforced nylon wheels, durability test: load 113KG, 80,000 cycles without abnormality;
