At Ruiao Company, we recruit top-ranking technicians and get them to work with their expertise and innovative ideas that enable high-quality, eye-catching products. With constant expansion and innovation, we roll out this state-of-the-art silent drag chain with no noise, long service life, and improved quality over the previous models. In 2005, our company earned the honorary certificate of China Famous Enterprises. In 2006, we passed the ISO9001 International Quality System Certification. Since then, we have been strictly implementing the ISO 9001 standard within our manufacturing process to ensure product quality is closely scrutinized. In 2008, we were recognized as the China Credit Example Certificate. Two years after that, we obtained CE certificate.