How about Yunxi electronic seal?

Judging from the current market, it is still very good. In-depth cooperation with the Third Research Institute of the Ministry of Public Security, the electronic seal distribution system of "material and electricity are of the same origin" will be established for national mutual recognition, so as to ensure the reliability of electronic seal application from the source. The electronic seal with the same source of material and electricity realizes the whole life cycle service of electronic seal from application, issuance, signature and cancellation.