What is the relationship between Jinlong, Dajinlong and Xiamen Golden Brigade?

They are all independent accounting companies, but they are all Xiamen Automobile. One is called Little Jinlong, and the other is called Big Jinlong. The trademarks used to be the same. Later, in order to distinguish Xiaojinlong from others, Dajinlong changed all the trademarks. The full name of Dajinlong is Xiamen Jinlong United Automobile Industry Co., Ltd., which is now managed by people in Taiwan Province Province.