* * * The Great Circle is not a scam. * * * Dayuan is a company specializing in the research, development, production and sales of high-end electrostatic film products and polarizers, as well as the production and sales of semiconductor thermistors. At the same time, the sales agent of electronic components. Only after the approval of the relevant departments can business activities be carried out within the validity period of the license. The specific business items and license period shall be subject to the approval documents or certificates of relevant departments. * * Dayuan has a good reputation and reputation in the industry, and its products and services have also been widely recognized.