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 th...