Manruide focuses on the research and development of green building and environmental technology, from research and development to manufacturing, from products to integration, and then becomes the world's leading manufacturer of technical solutions. Germany Manruide fresh air system has large fresh air volume, high cleanliness, suitable air supply humidity and wide air supply temperature range. Dr. Hu has been focusing on anti-virus for 20 years, adhering to the corporate mission of purifying gas and breathing healthily. Now he has more than 100 anti-virus testing certifications and nearly 200 patented technologies.