Easy to use. Daqin's 5G calling card tariff package charges are clear, and there is basically no arbitrary deduction of package fees. The phone bill is also a penny, and there will be no case of swallowing the phone bill. The traffic is also large and durable. Moreover, Daqin is a regular company. Founded at the end of 2004. The company is a leading unified communication service provider in China, a national telecom value-added service operation company authorized by the Ministry of Information Industry, a high-tech enterprise in Beijing, and has been invested by the special fund for scientific and technological innovation of the Ministry of Science and Technology.