Yuhuan will amount to specialize in the production of high-end anti-theft lock core leader, to science as the guide, constantly introducing foreign advanced technology. Our factory has casting, forging, machining, surface treatment and other production equipment and advanced laboratory testing equipment. Security series in 2005, specializing in the production of hardware products, in July 2015 by the ministry of public security and technical opening c level the first appraisal, and specializing in the production, technology, one-stop production. We sincerely welcome new and old customers and industry peers to the guidance of friends from all walks of life to the company, on-the-spot investigation, hand in hand cooperation, create brilliant!