What is Chongqin-6373 device???

I just enabled my WiFi on my Rogers gateway modem for my Dell 5G Desktop Computer and then connected to my WiFi, I then seen a Chongqin-064D unknown device that was connected for a moment and now disconnected so perhaps it was a moment, but I have a password on my WiFi, it has a different ip address than my G5 Desktop, or is Chongqin the same computer as my G5 Desktop and just showing as 2 different computer connections with different ip addresses? I seen this activity on my "Rogers WiFi app" on my phone when I enabled my WiFi. I have no other devices around to do that unknown Chongqin connection. So I pressed the "pause" button over it in my Rogers WiFi app and enabled WiFi "Protected Browsing" to "help secure your network from known threats" and suddenly the Chongqin device was shown as being connected again around that moment I did, only this time it came back showing in that app as a "PC/Laptop" "Brand-Generic Brand" "Operating System-Windows" "device type-computer" "connection point-N/A-offline" "connection type-unknown" but with the same ip address and hostname and MAC address so that is how I know it's the Chongqin computer that connected for a moment(if it actually did). I'm feeling I want to know if it may be some who is trying to hack me or already did as being inside my computer masking itself as my computer somehow. So I search online for Chongqin and found nothing, but when I search online it's MAC address It is found as Chongqing Fugui Electronics Co.,Ltd. So on reddit they talk of that unknown connection as possibly could be other devices or a printer here= https://www.reddit.com/r/HomeNetworking/comments/fqudf6/chongqing_fugui_electronics_joined_my_eero_network/

***Could it be possibly just the printer port on devices which I hear have different addresses that try to connect whenever there is a new connection set up?***

This was sometime ago, but I'll tell you what "Chongqin" is. It is the manufacturer of your network interface card (NIC). The NIC manufacturer is defined by the first six hex numbers of the NIC MAC. Chongqin Fugui Electronics Co.,Ltd. is the manufacturer, as defined by their vendor ID, or OUI. Chongqin OUI is 74-12-b3.