The certificate of Daming Office in Kunshan is recognized by the state. Daming Safety Technology Service Center in Kunshan Development Zone was established in March 2002, and it is the first batch of professional training institutions for safety production in China certified by the provincial bureau. * * * Self-owned land covers an area of 1.3 million square meters, with a building area of 5,500 square meters, which is divided into five parts: office building, teaching building, training workshop, motor vehicle training ground and attached parking lot. The type of certificate is: certificate of safety production training for principal responsible person and safety officer. IC card of special operation personnel "Special Operation Certificate". Certificate of occupational health training for principals and occupational health administrators. The certificates of special equipment management and operation personnel shall be used nationwide after passing the training and examination.