4. Due to the impact of the new crown epidemic, Party B will go to Party A’s plant selection site after the flight resumes and the vaccine is released. The time is negotiated by both parties.
4. Due to the impact of the new crown outbreak, Party B will resume flights and the vaccine after the advent of Party A's plant location, the time of consultation between the two sides to decide.
4. Due to the impact of the new epidemic situation, Party B will go to Party A's dressing plant site after the flight is resumed and the vaccine is available, and the time will be determined by both parties through negotiation.