The analysis is as follows:

BBK is the parent company, vivo mobile phones are its brands, and OPPO is an independent company.

BBK and OPPO are two independent companies and have no relationship with each other.

1. OPPO made its fortune in MP3 and MP4, and has been making mobile phones now.

2. BBK first started by making repeaters, DVD players, point readers, etc., and later also made mobile phones. However, the previous BBK mobile phone logo was BBK. Now its mobile phone brand adopts the latest The logo of VIVO.

Extended information

BBK is a brand of Guangdong BBK Electronics Industry Co., Ltd. Established in 1995. On September 18, 1995, Guangdong BBK (English trademark: BBK) Electronics Industry Co., Ltd. was established in Chang'an, Dongguan.

Baidu Encyclopedia: Backgammon