Do not ignore the maintenance of the interior door hardware.

We all know the importance of the hardware on the interior door, but it seems to be easy to ignore when using it. Especially when the door is being maintained, it is easy to ignore the hardware, but it is the least on the door. Part of it, we also need to care for a

New solar cell/fabric/drop current

Don't miss it. Last week, there were new discoveries in the clean room and nanotechnology community. The first version of the perovskite solar cell with the new coating has been more than 20% efficient, and it can go hand in hand with many commerc

Application of Internet of Things in Enterprise Security

For the newly-reconstructed plant, business buildings, hotels, and residential community buildings, the application of the Internet of Things technology, through the integration of wired and wireless transmission technologies and various sensing devices, can provide buildings with intelligence