You really can't believe everything on the internet, but you can't say it's all false, because everyone's actual experience and learning situation are different, so you can't judge whether it's true or not too decisively. First, you can go to the enterprise to check whether this company exists, whether it has official website, whether it can provide corresponding services, and so on. The headquarters should be in Wuhan, and there are many branches all over the country, covering many projects, including self-examination, joint examination, national development, and qualification certificate.