China Business Visa (M): When You Need It and What It Requires
The M visa turns on one document you cannot produce yourself. What counts as business, what the invitation letter must contain, and the line between M and a work visa.
The M visa is China's category for commercial and trade activity, and the practical difference between it and a tourist visa comes down to a single document.
A tourist visa asks you to describe a trip. A business visa asks a Chinese company to confirm, in writing, on letterhead, with a stamp, that they want to meet you. You cannot write that letter yourself, which means the M visa is not something you can apply for on your own initiative — you need a counterpart in China who will produce it.
Everything else follows from that.
When you need M rather than L
M covers: meeting suppliers, negotiating contracts, inspecting a factory, attending a trade fair or exhibition, procurement, technical consultation, investment discussions, corporate events and internal meetings with a Chinese entity.
L covers: tourism, sightseeing, and informally visiting friends. See the tourist visa guide.
The distinction is purpose, not activity level. Someone attending the Canton Fair to place orders needs M. Someone visiting Guangzhou on holiday who happens to walk through a market does not.
Applying for the wrong category is a common refusal reason. If your stated purpose in the application does not match the supporting documents, the application fails. Do not apply for a tourist visa because it looks easier and then attend meetings; do not apply for a business visa without an invitation because you think it sounds more serious.
If you now qualify for visa-free entry, check that first. The unilateral visa exemption scheme generally covers business purposes as well as tourism, with a 30-day stay. For a short trip to meet suppliers, that may remove the need for an M visa entirely — which is a substantial change from a few years ago. See the visa-free explainer.
What M does not cover
Paid employment in China. That is a Z visa, which requires a work permit notification obtained by the employer before you apply, and converts to a residence permit after arrival. The line is whether you are being paid by a Chinese entity for work performed in China.
This distinction is taken seriously. Working on an M visa is a violation with consequences for both you and the company involved.
Study. That is an X visa.
Journalism. That requires specific accreditation.
Long-term stay. M is generally issued with a short permitted stay per entry. If you need to be resident, you need a different category.
Grey areas exist — the treatment of remote work for a foreign employer while physically in China, for instance, is not a settled question. If your situation is not obviously a business trip, take professional advice rather than guessing.
The invitation letter
This is the document the application turns on.
Who issues it: your Chinese business or trade partner, an authorised Chinese institution, or the organiser of a trade fair. Some cities and trade bodies also issue formal invitation confirmations.
What it must contain, and the expectations have become more detailed rather than less:
About you: full name exactly as printed in your passport, date of birth, gender, passport number.
About the visit: purpose in specific terms, planned arrival and departure dates, the places you will visit, the number of entries you are requesting, and who is covering costs.
About the inviter: company name, address, telephone number, the name and position of the signatory, a handwritten signature, and the official company chop — the red stamp. A letter without the chop is not taken seriously.
Practical points that cause rejections:
- Name mismatch. The name on the letter must match the passport machine-readable zone exactly. Not your preferred name, not an abbreviated version.
- Dates that do not match your flights. If the letter says 3–10 May and your booking says 1–14 May, expect questions.
- Vague purpose. "Business discussions" is weaker than "negotiating the 2027 supply contract for injection-moulded components and inspecting the Dongguan production line."
- A scanned copy where an original is required. Requirements vary by mission; some accept a clear scan or printout, others want the original. Ask.
Get the letter early. Chinese companies are used to producing these, but a first-time counterpart may not be, and getting a correctly formatted letter with the right chop can take a fortnight of back-and-forth.
The rest of the application
Broadly the same as any Chinese visa application:
- Completed application form, filled honestly and completely. Gaps and inconsistencies are the most common cause of problems.
- Passport with sufficient remaining validity and blank pages.
- Recent photograph to the specified format, which is strict about background, size and head position.
- Proof of legal residence in the country where you are applying, if you are not a citizen of it.
- Round-trip flight booking and accommodation, depending on the mission's requirements.
- Previous Chinese visas, if you have held any.
Where to apply: through the Chinese embassy, consulate or authorised visa service centre responsible for the place where you legally reside. Applying somewhere convenient rather than somewhere you are entitled to apply is a frequent refusal reason. Some missions accept applications from non-residents and many do not — check that specific mission before making plans.
Biometrics. Fingerprinting is generally required in person, with limited exemptions. Factor a trip to the visa centre into your timeline.
Processing time and fees vary by mission and nationality, and there is no single global figure. Check the specific centre handling your application.
Validity and duration of stay
Two different numbers that people conflate.
Validity is how long the visa can be used to enter — commonly three months for a first M visa, longer for repeat applicants and for nationals of countries with reciprocal long-validity arrangements.
Duration of stay is how long you may remain per entry — commonly 30 days, sometimes 60 or 90 depending on your case and the mission's assessment.
Entries — single, double or multiple — is a third variable. If your trip involves Hong Kong or Macau in the middle, you need at least double entry. See the re-entry guide.
Repeat business travellers often move up to longer-validity multiple-entry visas over successive applications. Some nationalities are eligible for ten-year multiple-entry visas, which transform the experience of doing business in China. Ask about this at your second or third application.
Trade fairs, and the Canton Fair in particular
A large share of M visa applications exist because of one event.
The China Import and Export Fair — the Canton Fair — runs in Guangzhou in two sessions a year, spring and autumn, each split into three phases across roughly a month. It is the largest trade fair in the country and it generates a predictable surge in visa applications either side of it.
Practical consequences:
Register for the fair first. Fair registration produces an invitation or confirmation document that supports the visa application. Doing it the other way round wastes weeks.
Apply early. Consular processing in the six weeks before each session is slower than usual, and the visa centres know exactly why you are applying.
Book accommodation before you apply. Guangzhou hotel prices multiply during the fair and availability near Pazhou disappears months ahead. You will need the booking for the application anyway.
Check whether you need the visa at all. If your nationality is covered by unilateral visa exemption and you are staying under 30 days, you may not. This has changed the calculus for a lot of European and Asian buyers.
Other fairs with the same pattern: the East China Fair in Shanghai, the Yiwu Fair, the Hong Kong trade shows — note that Hong Kong is a separate jurisdiction with its own entry rules — and the various industry-specific exhibitions in Shanghai and Shenzhen.
One thing worth knowing about Yiwu and the wholesale markets: attending a market to place orders is business, not tourism, and the invitation requirement applies in the ordinary way. Market operators and agents can often issue suitable documentation.
After arrival
Accommodation registration applies to business travellers exactly as it does to tourists. Hotels handle it automatically; if you are staying in company accommodation or a private apartment, the obligation is yours and it has a short deadline. See the registration guide.
Carry your passport. It is the document that proves your status and you may be asked for it.
Keep the invitation letter with you. If questions arise about your purpose, it is the answer.
Do not overstay. Penalties are calculated per day and a record affects future applications. If your business runs long, look at the extension process well before the expiry date rather than after.
If your trip is short and simple
Worth restating, because a lot of business travel advice predates the current position:
If you are from a country covered by unilateral visa exemption, going for under 30 days, for meetings, a trade fair or a factory visit — you may not need a visa at all. Check the current list first. It is the difference between a two-week application process and turning up with your passport.
If your nationality is not covered, or your trip is longer, or you need multiple entries across a year, the M visa is the route.
Official sources
- Chinese embassies and consulates, visa information: http://cs.mfa.gov.cn/
- China Online Visa Application: https://cova.mfa.gov.cn/
- National Immigration Administration: https://en.nia.gov.cn/
Document requirements, invitation letter expectations, validity, duration of stay, fees and processing times vary by mission and nationality and change regularly. Nothing here is legal or immigration advice. Confirm every requirement with the Chinese consular authority responsible for where you legally reside.
Last reviewed: 30 July 2026.