* Upholstery: High-quality suede or top-grade cowhide finish;
* Structure, Sponge: Built-in iron frame structure + high-density shaped sponge integrated inner support;
* Armrests: PA nylon integrated molding. Surface treated with leather-like finish;
* Base: Multi-functional base, adjustable height and lockable;
* Air Rod: High-quality four-level electroplated air rod, 65D-4 stroke;
* Chair Legs: High-strength 330# electroplated legs, static pressure test 1136KG, in compliance with BIFMA standards;
* Chair Wheels: 60# Noise-free PU wheels.