Beijing's move to turn off the taps completely is rare. : China exported no oil products to North Korea in November, Chinese customs data showed, apparently going above and beyond sanctions imposed earlier this year by the United Nations in a bid to limit petroleum shipments to the isolated country. Tensions have flared anew over North Korea's ongoing nuclear and missile programmes, pursued in defiance of years of U.N. resolutions. Last week, the U.N. Security Council imposed new caps on trade with North Korea, including limiting oil product shipments to just 500,000 barrels a year.