Citizens of United States of America must obtain a visa in advance. You have to apply for visa through a China diplomatic mission or one of its authorized visa agents outside China. You will need to visit the Embassy in your country to process this visa. Need help in getting prepare the required documentation contact us.
Since 1 September 2013, handwritten application forms for visas are not accepted by the Government of China ONLY online application forms are considered for issuing Visa. Although the Visa applicants need to physically sign the declaration form. Chinese government offers mainly 4 types of visa: Ordinary Visa, Service Visa, Diplomatic Visa and Courtesy Visa. The ordinary visa has 16 further categories, some of the most common ordinary visa are Tourist Visa, Business Visa, Work Visa, Transit Visa, Permanent Residence Visa, Crew Visa, Family Visit Visa and more. In 2014, China introduced 10-year multiple entry Visa for US passport holders for both tourism as well as business. This allowed US citizens to enter China for a maximum stay limit of 60 days per visit for 10 years. 
1- A recent digital photograph of the applicant.
2- Scanned color copies of your passport with minimum validity of up to 6 months.
3- Accommodation proof of where are you staying during your stay in Argentina, or,
4- A contact address of someone you know in Argentina.
5- Copy of your Return or onward journey flight tickets.
6- Permanent address proof in your country.
Requirements for Business Visa-
1- Invitation letter from the company that you will be visiting.
2- Copy of their Chinese ID (front and back)
3- Signed cover letter from your United States based company.
4- Sponsor’s ID proof Requirements for Minors-
1- The birth certificate of the minor
2- Maternal photo ID
3- Paternal photo ID
1- A valid passport in good condition with minimum validity of 6 months after the date of arrival in China.
2- There must be at least two blank pages on your Passport for entry stamp by the Immigration Officer.
3- You must provide the complete information with proper documents of your stay in China like hotel booking receipt, if you are staying with your relatives or friends, you must provide an invitation letter along with their ID card.
4- The maximum duration of stay for Chinese tourist visa and business visa for non U.S. passport holder is 30 days per visit.
5- The validity of the China work visa is three months with single entry.
6- US Citizens can apply for 10-year multiple entry visa which allows a maximum limit of stay of 60 days per visit.
7- Any sort of paid employment is not allowed on a 10 year china visa.
8- You can change the China Visa before its expiration date (like a tourist visa into a student visa or work visa) by applying at the Public Security Bureau Entry and Exit Administration Office or PSB.
All Countries / Nationalities that required regular visa for ChinaApplication for the Long Stay / employments Visas, contact to these embassy below
Chinese Embassy in Washington, D.C., United States
3505 International Place, NW
Washington, D.C. 20008
United States
http://www.china-embassy.org
http://us.chineseembassy.org
Chinese Consulate General in Chicago, United States
100 West Eirie Street
Chicago, IL 60654
United States
http://www.chinaconsulatechicago.org
http://chicago.china-consulate.org
Chinese Consulate General in Houston, United States
3417 Montrose Boulevard
Houston, TX 77006
United States
http://houston.china-consulate.org
Chinese Consulate General in Los Angeles, United States
443 Shatto Place
Passport and visa: 3rd Floor, 500 Shatto Place
Los Angeles, CA 90020
United States
http://losangeles.china-consulate.org
Chinese Consulate General in New York, United States
520 12th. Avenue
P.O.Box 1007
New York, NY 10036
United States
http://newyork.china-consulate.org
Chinese Consulate General in San Francisco, United States
1450 Laguna Street
San Francisco, CA 94115
United States
http://www.chinaconsulatesf.org
http://sanfrancisco.china-consulate.org