Second, to solve this problem, the labor department should apply for work-related injury appraisal as soon as possible. If the concrete company refuses to take responsibility, it can apply for legal aid, sue the concrete company in court and ask the concrete company to bear the corresponding responsibility.
Third, if the two sides continue to prevaricate, you can find the media to expose it, so that the whole society can pay attention to it and see the face of bad companies.