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Zhejiang legal person digital certificate includes digital certificate, electronic official seal and electronic license. Use u disk as storage medium. It has the functions of identity authentication, electronic signature, data encryption and decryption, etc., and conforms to the Electronic Signature Law of People's Republic of China (PRC). Implementing unified online identity authentication for legal persons can realize mutual recognition of digital certificates of business systems of various departments, provide unified digital authentication services for all kinds of legal persons working online in different government departments and different business systems, and fully implement "one certificate is universal".