This term refers to the two mobile phone brands vivo and oppo.

Since both oppo and vivo have a connection with the BBK Group, the products and marketing models of the two brands are also very similar, and they are often discussed together. In addition, oppo’s trademark is slightly green and vivo’s trademark is blue, so The two brands are collectively referred to as Blue and Green Factory by netizens.

vivo is a mobile phone brand that focuses on the field of smartphones. Vivo works with urban groups who pursue fun, vitality, and young fashion to create smart products with excellent appearance and pleasant experience, and will dare to pursue the ultimate, Continuously creating surprises is vivo’s firm pursuit.

OPPO is a company that focuses on smartphones. Its product features mainly include large memory, fast charging, durability and resistance to falling.