In May 1997,China sent observers to attend a meeting of the Zangger Committee,one of the mechanisms of international nuclear export control,and formally joined the committee in October of that year.

• 1997年5月，中国派观察员出席了作为国际核出口控制机制之一的“桑戈委员会”会议，并于同年10月正式加入了该委员会。