Visa is the largest payment technology company in the world, with a market value of more than 500 billion US dollars and business in more than 200 countries. The market share of UnionPay is slightly lower than that of Visa, but in 20021year, 34% of global credit card consumption was paid through UnionPay. UnionPay's payment network covers more than 90 countries and regions around the world, and it is one of the largest bank card payment networks in the world.