The company is formal, but it is generally in the form of telephone sales.
Or many other internet companies, such as Company A, acting as Zhongsou, also call themselves Zhongsou.
Whether it is formal or not, you can go to Red Shield to check the business license and other information.
You ask questions here because you feel uneasy and think he is irregular, right?
Can their sales methods or corporate culture and atmosphere make you uncomfortable? You can try and exercise yourself, but if you think their culture is not suitable for you, don't waste your time.