Dolphins know that henan dolphins know that cultural media ltd. Focuses on integrated service providers of knowledge realization solutions, covering two major segments of the technical service provider plus the operator. As a technical service provider: provide knowledge creators with a stable knowledge realization tool for tremors/fasthands/micro-credit platforms, support multiple course content types, such as uploading of graphics, audio, video, support for individual, column and series offerings in many forms, while providing multiple marketing tools, course data analysis, user data analysis, etc. To meet the needs of teachers for knowledge realization in different scenarios and platforms. (b) operating as a service provider: not only are special support provided to knowledge creators for course clearance, 1-to-1 service, trainee services, more live running, marketing activities, full-source outreach, self-run team live delivery, etc., while at the same time providing account numbers, how to produce a course, how to sell a series of knowledge realizations, etc., soops, and in training camps that provide content to the subject in a fixed cycle, maximizing the ability of the person to acquire knowledge. As of 2022, 30,000+persons of high quality had been deployed, covering 80 million+users, with the last class of 60,000+ knots, and the platform trading in water exceeded $300 million。