Answer: Application materials

(1) Use a black ink pen to fill in the "Foreigner Visa Document Application Form" and paste a recent 2-inch front-face bareheaded photo with a white background. The applicant and The signature of the foreign affairs officer of the inviting unit.

(2) Valid passport or other international travel documents (basic information page, valid visa document page, entry stamp page).

(3) An official letter from the inviting unit in Changsha City with the official seal. The content should include: 1. Basic information of the inviting unit, business projects, basic information of the applicant, whether there is an employer and position; 2. Reasons for application: including the content of activities in China, what kind of goods to buy (sell) in Changsha, and the funds involved Amount, duration of stay in China, and entry and exit itinerary; 3. Guarantee of living expenses and compliance with Chinese laws during the period in China; information of the foreign affairs officer of the inviting unit.

(4) "Foreigner Accommodation Registration Form" registered at the police station of the actual place of accommodation in Changsha or at a hotel or hotel connected with the immigration administration department.

(5) Identity card of the foreign affairs officer of the inviting unit (contact information should be noted on the copy).

(6) The organization code certificate and legal registration certificate of the inviting unit in Changsha City. Depending on the nature of the unit, a copy of the enterprise's business license that has been inspected annually, the registration certificate of the permanent representative office of foreign (regional) enterprises, and the enterprise registration certificate can be submitted. Legal person certificate of the unit, practice license of the representative office of a foreign law firm in China, etc.

(7) Other application materials deemed necessary by the public security organ.