What's the difference between company A and company C of Contemporary Amp Technology Co., Ltd.?

The difference between company A and company C of Contemporary Amp Technology Co., Ltd. is that the batteries made are different. Company A mainly makes mobile phone batteries, and Company C mainly makes car batteries. Of course, the treatment of the two companies is similar, and you can enter that company. In addition, Company C and Company A are separate. As for further aspects, you can check the relationship between the two companies online, hoping it will help you.