This premium theater seating is designed strictly in line with industrial standards, with standard dimensions of 560±20mm center spacing, 440±20mm seat height, 710±20mm seat depth and 1000±20mm overall chair height. Featuring ergonomic body curves and elegant appearance, the seats deliver stable and comfortable sitting experience for long-time viewing and gathering. As professional Theater Auditorium Supporting Chairs, this product adopts high-quality E1 grade hot-pressed multi-layer boards with red beech veneer. The 15mm thick U-shaped segmented back board and 13mm thick seat board with sound absorption holes effectively optimize indoor acoustic environment, with formaldehyde emission controlled within safe environmental standards. Equipped with B1 grade flame-retardant high-density polyurethane cold-foamed sponge, the seat and back cushions feature waist support and headrest structures that perfectly fit human body posture. The sponge with stable density and excellent resilience resi…