An official invitation letter is available for participants. The invitation will be mostly arranged by electronic versions signed by the Chairman of the Congress Organizing Committee (PDF and/or JPEG files) and will be sent to participants by email attachment. The original copy can be sent to participants by air mail upon request.
      For those who need the entrance visa to China for attending the congress, a special visa document (with the official red stamp in Chinese) is required and will be arranged by the congress secretariat. To get this document, the following data will be required for each of the participants:
     1). Family and given names;
     2). Male or Female;
     3). Date of birth;
     4). Title or position;
     5). Nationality;
     6). Passport number;
     7). Institution and mailing address;
     8). Duration of stay in China.
This special visa document will be send first by email attachment (PDF file) and the original file will be sent by air mail.