Not a liar. According to information from the official website of the Zhengzhou Industrial and Commercial Bureau, Gudao Jinyang Health Management Co., Ltd. is engaged in the sale of medical devices, sales and wholesale of medical devices, etc. It has a formal business license and has been certified by the Industrial and Commercial Bureau. It is established in accordance with the law to engage in production and business activities. Organization, so Gudao Jinyang is not a liar.