HINGLONG CO., LIMITED is a professional manufacturer of medical air-tight doors, automatic doors, anti-radiation doors, clean room door, air shower door, free door, glass door and industrial door. We are an enterprise with innovative technology integrating the development, design, manufacture and sales. Our company has established a set of modern enterprise system with perfect structures, efficient organization and an enterprise team with vigor and vitality. Our principle is "surpassing the requirements of customers and pursuing excellent products constantly". We have provided products for over 2,000 hospitals and industrial buildings in China and some products are sold to Europe and North Africa. We have a high degree of recognition, satisfaction and reputation in relevant industries. Hinglong people always insist on the mission that quality comes first and credibility is supreme. We provide customers with the best-quality products based on safer and more efficient services.