As of August 20, 2002, the occupational safety system, the occupational safety, the environmental safety, the environmental safety, the food industry, the information audit (July 12, 2002, the agricultural calendar), the enterprise has officially established a centralized national accreditation system. On August 20, 2002, China's national accreditation center officially unveiled in Beijing, the era of multi-head management of the accreditation agency has ended. This is another major achievement of our country's accreditation system, according to the international rules, according to the World Trade Organization, the establishment of the new occupational health and safety management system accreditation agency 18, the product accreditation agency 27, the basic framework of our centralized accreditation system. As of the end of July 2002, the certification system, the certification system, the multi-standard system, the