No, the government-issued PU Letter is no longer required. A standard business invitation letter from a Chinese company is sufficient.

Documents for a China Business Visa — Complete Checklist 2026
**The M-type business visa is the most requested visa category among entrepreneurs traveling to China for trade fairs, negotiations, and supplier sourcing.** Accurate document preparation is the single most important factor in securing fast approval.
Mandatory Documents for a Business Visa
The following documents are required for an M-type business visa application.
- International passport (min. 6 months validity, 2 blank pages)
- Completed application form (Form V.2013)
- Photo 35×45 mm on white background (2 copies)
- Official business invitation letter from a Chinese company
- Employment certificate or business registration (sole trader / LLC)
Invitation Letter from a Chinese Company
For an M-type business visa, you need an official invitation letter from a Chinese company on their corporate letterhead, signed and stamped. Please note: the government-issued PU Letter, which was mandatory during the pandemic, is no longer required for business visa applications. China2Day helps clients obtain and verify correct business invitation letters from partner companies and trade fair organizers.
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Supporting Documents
The following additional documents improve approval prospects:
- Bank statement for the past 3 months
- Copies of previous Chinese visas
- Hotel booking and flight tickets
- Description of the business trip purpose
- Company registration documents
Common Document Mistakes
Typical errors include: incorrect invitation letter format, mistakes in the application regarding previous trips, missing corporate documents, and a stated purpose that does not match actual business activity.
Conclusion
China2Day verifies every document before submission, minimizing the risk of refusal to under 2%.
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The inviting Chinese company (your business partner or trade fair organizer).
Recommended. Having a registered business increases approval chances.
Typically 3 months from the date of issue for submitting your visa application.
Yes — China2Day facilitates invitations through its partner network.