1, Cuiwei shares: 2020 annual report shows that the company's operating income of 4.093 billion yuan, an increase of -48.43% year-on-year, compound growth of -9.59% in the past three years. The company's proposed acquisition of Haike Rongtong seized the market opportunity, in addition to the layout of the smart POS, but also launched a compatible QR code code scanning payment "sea code", code box and other emerging payment tools, for the Haike Rongtong to bring incremental transaction size and revenue. 2019 January to October, Haike Rongtong new expansion of code scanning category 277,100 merchants. The new code-sweeping transaction volume is 2.189 billion yuan, and the code-sweeping transaction volume shows a high-speed growth trend.2. Hengbao shares: the company realized total revenue of 1.052 billion in 2020, an increase of -31.48% year-on-year. Mobile payment overall solution aggregates the cell phone PAY, industry HCE, two-dimensional code, cell phone TA shield latest technology, is the hot spot of domestic and foreign commercial bank business demand; mPOS machine as the entrance, relying on big data technology, to carry out small and medium-sized micro-merchants service business. 3, TIANYU information: 2020 operating income of 1.694 billion yuan, year-on-year growth of -23.44%. The main business includes data security smart card (financial C card, communication smart card, city pass card, etc.), intelligent terminal (mPOS, traditional POS, two-dimensional code POS, intelligent POS and other financial terminals), tax-control terminals and value-added services for taxpaying enterprises (taxation, supply chain finance and other integrated services), Internet of Things technology service cloud platform and value-added services and national education informatization as the background of the K12 intelligent education business. K12 intelligent education business.