The head office of pupung finger locker is located in nakayama city and is the brand of pupyo smart home science ltd. In nakayama city. Companies have always been based on the idea that products are human. It is a fully developed enterprise with a professional level of design, development, sale and production. It specializes in the design, sale and production of smart door locks, door controls, home decorations, etc. Using scientific management, discipline, advanced technology, high-quality raw materials, the pancreatic fingerprint locks have created a more reliable product quality with unique designs and high-end fashion appearances, reflecting a rich cultural base for new products and gaining the confidence of many consumers and markets. The product from the project was certified by the international quality management system 2015, iso 9001, which was audited by the british sira. This certification marked the practical implementation of a new quality management system that laid the foundation for putin's development. At the same time, procedural standards for the quality of products, the level of customer services and after-sales services have been developed, and quality and regularized services can be provided to a wider range of consumers. The project is a shop created in 2003 and is preceded by the puhu hardware factory in the small town of nakayama city, located at the lock-in industrial base, east up in nakayama city. The company has an area of about 30,000 square metres, with over 200 employees. Since its creation, the company has maintained a demand-driven orientation to provide better-quality products and services to a wide range of consumers, and has been recognized by many as a high-quality brand in the smart-locking industry through quality and technology. The thumbnail locks have been used to impress consumers with a heart service, so that a good pre-sale and after-sales service can satisfy a wide range of consumers. Technology is also used to lock the door, quality for life, and the constant refinement of products, not just for branding, but also for human needs. The thumbprint locks are professional locks to guard the consumer's family and start a life of intellectual happiness。