Teng letter Bao is the first online investment product launched by CITIC Niu Teng. Citic Niu Teng. Com publishes the offline verification information of its strategic partner, Tengxin, on the platform. As a matchmaker, the platform helps investors to complete investment and lending by providing relevant information and services, and at the same time ensures borrowers to repay in full and on time through the institutional guarantee of strategic partner Zhongtengxin. Investors collect the investment principal and income every month by matching the principal and interest.