Ventilation and air conditioning in Qingdao, China

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

From January 21 to 24, 2025, the highly anticipated 2025 International Plastics Exhibition was held in Hall 14, Krasnopresnenskaya Naberezhnaya, Moscow, Russia. The exhibition attracted many well-known companies from all over the world to participate. As a leader in the HVAC industry, Ruidong Group,

In December 2024, Ruidong Group was honored to receive the last important customer of the year, warmly welcoming representatives from Rosatom, the Russian State Atomic Energy Corporation, and the Moscow-based large manufacturer MFMC to visit and inspect Ruidong Group Co., Ltd.

Ruidong Group Co., Ltd. participated in the HVAC exhibition in Uzbekistan, showcasing innovative technology and high-quality products. Ruidong Group Co., Ltd. is honored to have participated in the HVAC exhibition in Uzbekistan recently. As a company with innovative technology and high-quality produ

Ruidong Group Co., Ltd. has launched a new air-cooled scroll chiller with high anti-corrosion grade.