Dear Customer

Shenzhen Deftun Technology Co., Limited, founded in 2013, is a high-tech company engaged in the research, development and sales of smart locks and related smart products. We have a professional R&D department and experienced IOS, Android, Windows, cloud server and database engineers. We support OEM and ODM and can customize hardware or software systems. Innovation and quality have always been our core concept. We have a modern factory in Shenzhen, China. Strict quality control and quality control system guarantees the quality of our products. In addition, our products have already been sold to many countries such as Europe, USA, Brazil and Southeast Asia. We stick to the customer first, deeply understand the customer's needs, take the initiative and take responsibility; We always try our best to improve our service and customer satisfaction. Adhering to the business principle of mutual benefit, we have a good reputation among our customers for our perfect service, quality products and competitive prices. Achieving long-term cooperation and mutually beneficial cooperation with our clients. We also have many patents on the appearance, design and technology of our products. Our goal is to become a leading smart lock factory and provide high quality products and software systems to all our customers around the world. We reward our customers with excellent product attitude and 24/7 online service. Welcome to our company, looking forward to cooperating with you!