Core material: Stainless steel floor spring door frame is 304 stainless steel, nickel content ≥8%, surface brushed treatment, scratch-resistant and easy to clean, long-term exposure to humid environment and not easy to rust; door leaf optional tempered glass (transparent/frosted), explosion-proof and impact-resistant.

Floor spring configuration: It adopts heavy-duty hydraulic floor spring, with adjustable closing speed, silent buffering, and a service life of more than 50,000 times. It is equipped with an anti-pinch device to avoid pinching when opening and closing the door. It is suitable for shopping malls, hotels, office buildings and other places.