The SIHOO Doro C500 Ergonomic Chair features a 6D Bionic Armrest, wide-angle 3D headrest, and Domino 3D Lumbar Support System for ultimate comfort. Its self-developed Space Mechanism and cloud-like mesh design ensure durability and breathability. Certified by EN1335, ANSI/BIFMA X5.1, and CE, it complies with rigorous safety standards, offering buyers reliable market access. Backed by a 5-year warranty and customizable options, this modern luxury office chair supports EXW shipment terms and is available in black and gray.