
Fire Proof 304 Stainless Steel Door Coordinator. Premium 304 Stainless Steel: Constructed from durable 304 stainless steel for long-lasting performance. Fire Resistance Certified: Passes 1.5h fire modality test according to China GB-12955-2008 standard. International Certifications: Holds EN12209, EN1935, EN1527, and ANSI A156.13 quality certificates. Versatile Door Sequence: Ensures correct closing sequence for double doors with DIN left/right hand mounting. Professional Manufacturer: Leading door hardware company with nearly 20 years of industry experience. Strict Quality Management: Implements 5S management to improve quality and reduce defective rates. Global Market Presence: Products appreciated in Europe, North America, and Southeast Asian markets. Custom Sample Service: Samples available within 1-3 working days with freight and sample cost.