China Naming Network - Eight-character lottery - Is it true that Unicom started the winter card?

Is it true that Unicom started the winter card?

Really.

Unicom beginning of winter Card is a mobile phone recharge card launched by China Unicom during the solar term in beginning of winter every year. Users can recharge their mobile phone bills by purchasing Unicom's early winter card, and get a variety of discounts and lottery opportunities.

China Unicom is a state-owned telecom operator in China, which was established in 2002. Its main services include mobile communication services, fixed communication services, data communication services and international services.