OBS_VALUE: As of 15 March 2023, China has resumed visa applicaitons after a 3-year-long restriction on travel due to the Covid-19 pandemic.  Visas issued before 28 March 2020, which have not expired, are still effective.  the following documents were required for visas: (1) Passport (2) Visa Application Form and Photo (3) Proof of legal status (applicable for those not applying for the visa in their country of citizenship) (4) Photocopy of previous Chinese passports or previous Chinese visas (applicable for those who were Chinese citizens and have obtained foreign citizenship); Supporting documents: (5) Documents concerning commercial activity issued by a trade partner in China, or trade fair invitation, etc. (6)Applicants who have obtained M-visas more than twice over the previous two years or have a certificate of investments in China, a business license or other documents, may apply for a multiple-entry M-visa valid for half a year or one year, but the applicants must provide photocopies of the aforementioned visas or relevant documents.