Please go to the Embassy or Consulate General of P.R.China in your country with the Official Invitation of the Canton Fair to apply for the Chinese visa(any type, usually "M"). The official invitation must list the Buyer's Name, Nationality and Company Name.
Please be kindly noted that the invitation as you attached is the invitation letter issued by Canton Fair. It might help you get the Chinese Visa but it all depends on the Chinese Embassy in your country.
1. Please apply visa to China in your country or regular residence place before arriving in China（Missions Overseas）. The visa-free policy of China.
2. Buyers who need to leave Mainland China to Hong Kong, Macau, and come back again to Guangzhou, must apply for a multi-entry visa.
3. It is very hard to extend visa and apply for a new visa in China mainland, we suggest applying it by going to Hong Kong.
5. Fair visitors can also entrust the visa application to China Travel Service (Hong Kong) Ltd. (Add: 1/F., Alpha House, 27-33 Nathan Rd., Kowloon, Hong Kong，Tel: 852-2315 7150, Fax: 852-2315 7292).
Please click the link upon, you only need to enter your country and the entry port in China, and click the search button, to see:
- Applicable visa-free policy
- Areas open to travel
- Entry and exit ports