Ventilation and air conditioning in Qingdao, China

Air handling units (AHUs) are the core equipment of air conditioning systems. It can cooling, heating, humidify, and filter air according to different application scenarios, and is widely used in various public and commercial spaces. AHUs are mainly classified into four types: ceiling-mounted, jet-t

The increasing number of extreme weather events and the rising demand for intelligence have focused the core needs of commercial buildings for air conditioning systems on four major directions: high efficiency and energy saving, intelligent control, scenario customization, and green and low-carbon.

Water Cooled Chiller Units & Pump Station Systems —— Your Energy-Efficient HVAC SolutionRuidong Group prioritizes customers' needs, aiming to solve problems and maximize cost savings. For end-users and projects, we ensure quick product understanding, fast installation, improved efficiency, and reduc

Announcement of the Selection of Outstanding Personnel in the First Quarter of 2025 of Ruidong Group, Leading a New Journey of High-Quality Development with Role Models

Basic Principles of the Cooling CycleThe core principle of the cooling cycle is the directional transfer of heat—absorbing heat from the area that needs cooling and releasing it into the external environment. Specifically, this is achieved by circulating a refrigerant within a closed system to trans

With the growing demand for efficient cooling and comfortable environments in modern buildings, rooftop packaged units have become the preferred solution for commercial and industrial applications. As a professional manufacturer in the HVAC industry, Ruidong Group Co., Ltd. empowers its products wit