This double-door coordinator is designed for fire-rated and commercial double-door systems. 

Made from durable 304 stainless steel, it provides smooth, stable, and quiet automatic door sequencing.

The precision spring mechanism and adjustable tension screw allow flexible control of the closing force, while the nylon roller design ensures reduced wear and long service life.

Ideal for commercial buildings, hospitals, schools, and other high-traffic applications. OEM and ODM customization services are available.