20 years professional hardware manufacturer - JM Hardware
Since established, JM Hardware aims to provide outstanding and impressive solutions for our customers. We have established our own R&D center for product design and product development. We strictly follow the standard quality control processes to ensure our products meet or exceed our customers' expectations. In addition, we provide after-sales services for customers throughout the whole world. Customers who want to know more about our new product custom nut and bolt or our company, just contact us.
The server records all the information into the database; When the user logs in to the mobile client to query the current status or image of the elderly, the server will package it in the standard Json format and send it to the mobile phone, and then the mobile client will parse the received package, and print a list of messages for users to view. If a falling-