Is the second-level construction engineer training institution credible? How helpful can it be?

1. Most of these so-called school-running institutions are information consulting companies, not vocational colleges. 2. There is something fishy in the signed package ... but there is no discount or refund for the exam. 3. The content of the second-level constructor exam is not very difficult, and there are also policies used by school-running institutions ... plus points and exemption from several courses. 4. The ox is the last trump card. ......