19 yuan is too expensive. You can complain in official website.

China Unicom is the only central enterprise in China that has carried out a pilot reform of mixed ownership. The company ranked 260th in the Fortune Global 500 in 20021year. As a basic communication enterprise supporting the party, government and army system, all walks of life and the broad masses of the people, China Unicom has a basic, pillar, strategic and leading function and position in the national economy, and has the characteristics and attributes of technology-intensive, network-wide, economies of scale and serving the economy, society and people's livelihood.