How long will it take for party member's files to be reported to the new organization?

More than six months. According to official website, a law expressly states that party member wants to change the organizational relationship after leaving the original organization for more than six months. Party member's archives include "China * * * Party's Volunteer Letter for Joining the Party", application for joining the Party, materials for political examination, application for becoming a full member, and materials for training, education and investigation.