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The term 'Free Door' has different meanings in various contexts. According to currently available public information, it primarily falls into two cate

When choosing a steel door, it is necessary to consider the usage scenario (such as residential security, fire compartment, medical or industrial use)

The FFU Fan Filter Unit is a modular air purification device with its own power and integrated high-efficiency filter, widely used in environments wit

Airtight doors are a type of specialized door designed for environments with high sealing requirements.

The air-tight door blocks air convection through physical sealing, mainly using inflation expansion or mechanical compression to achieve tight closure

The design of clean doors revolves around "sealing" and "easy to clean."

Steel doors are building doors made mainly of cold-rolled steel plates, widely used in homes, hospitals, schools, factories, and other locations. Base

An air shower room is a local purification device used to remove surface dust from personnel or goods before entering a clean area. It also functions

Rapid Opening and Closing: Opening speed 0.3–2.0 m/s, closing speed 0.3–1.2 m/s, some models support 0.8–1.6 m/s.

Turn on the main power switch and ensure that the control system (PLC + inverter) and motor are powered normally.

Stacking rapid doors (also known as high-speed stacking doors) are a type of industrial door commonly used in places with high-frequency opening and c

Opening speed reaches 0.3–1.5 m/s, closing speed 0.3–1.2 m/s, with some manufacturers' products reaching 0.8–1.6 m/s, and a maximum daily usage freque