According to Sohu, Shanghai Construction Talent Service Center was established with the approval of Shanghai Human Resources and Social Security Bureau. With official approval and supervision, it mainly serves the personnel training and career development of the construction industry. The certificate issued by the center is widely recognized in the construction industry. The special operation certificate is a certificate issued by the State Administration of Work Safety to implement the access filing system for special industries, which can prove that the holder has been trained in professional safety technology, laws and regulations, professional ethics, etc., and registered in the local safety supervision bureau. This special certificate is valid throughout the country, providing better protection for people engaged in high-risk work.