How about Suzhou Fulda Co., Ltd.

Not bad, Suzhou Fulda Technology Co., Ltd., established in April 2003, has an office area of over 40,000 square meters and more than 600 employees. Is a research and development, production and sales of door closers, window closers, heaven and earth springs as one of the professional door control manufacturers. The company has a sound management system, sophisticated production and testing equipment and strong technical force. At present, it is a large-scale enterprise that adopts robot automatic production and digital management in China. Product quality is stable, variety is complete, and continuous research and innovation, has passed various certifications. The monthly production capacity is one million sets.