Longevity Staff Office Chair
The Longevity Staff Office Chair is designed with ergonomics in mind, focusing on lumbar support, promoting micro-dynamic sitting postures, optimizing pressure distribution, and offering both durability and comfort. The following is an introduction to different types:

Longevity District Staff Chair (Metaphorical Design Concept):
The core design centers on ergonomics. The independent lumbar support can be adjusted in multiple dimensions to precisely fit the lumbar position and back curve, maintaining the natural lumbar lordosis. The backrest linkage mechanism or resilient backrest frame material encourages subtle posture changes in users, preventing stiffness from prolonged sitting. The high-density slow-rebound cushion and waterfall-shaped front edge design disperse pressure on the buttocks and thighs, reducing compression on the blood vessels and nerves in the leg pits. Compared to traditional mesh chairs, it offers more precise support. Mesh chairs rely on overall tension and are prone to support degradation due to sagging, while this type of chair strengthens the lumbar region in a "point" manner, ensuring better long-term stability.
Longevity District Office Chair (Focusing on Basic Comfort and Durability):
Structurally, it includes a backrest, seat cushion, armrests, and a base, with material selection balancing practicality and cost. The backrest often uses mesh or high-density foam, providing breathability and back support. The seat cushion is filled with molded cotton or slow-rebound foam, covered with cotton-linen or polyester fabric for both support and comfort. The armrests come in fixed and adjustable types to suit different usage habits. The base is mainly designed in a five-claw shape, with nylon or metal materials ensuring stability. Functionally, a gas lift controls height adjustment, the backrest can recline, the lumbar support curve fits the waist, and the casters are suitable for carpets or hard floors. When choosing, consider the thickness and density of the seat cushion, the match between the backrest curve and height, and the impact of the base diameter on stability.
Longevity District Executive Chair (Designed from Morphological and Mechanical Perspectives):
The curved backrest simulates the physiological curvature of the spine, providing vertical support. The composite frame structure combines high-elasticity polymers with a metal skeleton to achieve zoned support and dynamic response. The lumbar support area offers stable support, while the upper backrest and seat cushion adapt to the movement of the scapulae and ischial bones, dispersing peak pressure. Breathable mesh or special fabric forms air convection channels, accelerating heat and moisture exchange. The seat cushion filling has optimized rebound rate and thermal conductivity coefficient to avoid the burden of getting up or heat accumulation. The adjustment mechanisms cover height, backrest tilt, and armrest height and angle, adapting to a database of human body sizes and postures to reduce static load on the shoulder and neck muscles.




