Israel has sold advanced military technology to China for more than a decade and is moving to expand its cooperation with Beijing, says R. James Woolsey, the Director of Central Intelligence.

The C.I.A. assessment was provided in written responses to questions by the Senate Governmental Affairs Committee. The committee made the assessment public last week as part of a report on recent hearings it conducted on "proliferation threats of the 1990's," a committee aide said on Monday.

There have been many news reports about the sale of Israeli military technology to China, which did not establish diplomatic relations with Israel until 1992, and the Rand Corporation has made similar assessments. The C.I.A.'s response to the committee was reported on Monday by NBC News and confirmed by the aide. Jets, Missiles and Tanks

The C.I.A. says China has been acquiring advanced military technology from Israel for more than a decade on programs for jet fighters, air-to-air missiles and tanks. The agency said the sale of Israeli military technology to China "may be several billion dollars."