According to official website, Zhengzhou Haolan Information Technology Co., Ltd., the company focuses on the research and development and application of Internet technology and digital media. They provide services such as self-media operation, content creation and social media promotion, aiming at helping enterprises and individuals to better spread information and promote brands in the Internet age. In addition, they also have a professional team with rich self-media operation experience and technical strength. Therefore, it can be concluded that Zhengzhou Haolan Information Technology Co., Ltd. studies and engages in self-media related work.