According to the jiangsu province labor and social security hall "of promoting enterprise labor safeguard integrity system implementation opinion" and human resources and social security bureau of suzhou city, suzhou city, the social credit system construction leading group office "about printing of suzhou city unit of choose and employ persons labor security at the corresponding level credit rating management approach (trial) notice spirit, the company began in April 2012 for filing work, after suzhou industrial park labor and social security bureau of layers of review, review in early June is rated" AA credit rating of labor security in the suzhou industry park in 2011 units ".