Tonglu three-Dragon hardware tool factory is a comprehensive enterprise integrating production of padlocks, imitation theft locks, hardware and tools. Strict quality management system makes our products more competitive and superior, now the products are sold in more than 20 countries and regions at home and abroad. With the increasingly fierce competition in the market, we constantly improve our product quality and service level. We sincerely welcome new and old customers to visit, inspect and negotiate business. The company is willing to work with you for common development!