Help explain the relationship between Hongqi, Changchun FAW, Tianjin FAW and Pentium! thank

Changchun FAW is the first automobile group company in China, and it is a super-large state-owned enterprise. Its subsidiaries include Tianjin FAW Toyota, Chengdu FAW Toyota, Jilin Light Vehicle Factory, FAW Bus Factory, FAW Car, FAW Volkswagen and so on. Tianjin FAW is a subsidiary of FAW Group, and its brands include Weizi, Corolla and Corolla. Hongqi is the brand of FAW Car Company, Pentium is also the brand of FAW Car Company, and Mazda is also produced by FAW Car Company. But Pentium series is an independent brand. Although it comes from the same production line as Mazda, it has independent intellectual property rights in China.