2. According to China's "Interim Provisions on Seal Management of Social Organizations", when engraving seals by social organizations, they must go to the Ministry of Public Security for examination and approval with the Social Organization Registration Certificate and the certificate issued by the civil affairs department. After the approval of the public security department, they will go to the designated seal engraving factory or engraving institution for engraving and submit the Power of Attorney for Engraving and Printing.