Что такое нагретый воздушный занавес:

Heated air curtains, it is a special design air curtain with heating elements, it can offer numerous benefits such as enhanced comfort, and energy efficiency. It is often used in the cold area in winter.There are many types of heated air curtains with different functions, sometimes it is not easy to choose the suitable one. … Continue reading Что такое нагретый воздушный занавес: