Answers for you from different angles:
1. xx Technology, xx Electronics. Obviously xx Technology is more general and seems to have a wider business scope, which is conducive to future expansion.
2. Jingrui is good, but it may not be able to be registered. You have to go to the industrial and commercial registration to check. You can use: Jingrui + the place name combination of your place.
3. Benefiting the people. When you first look at this word, it seems rather crude and unprofessional.