Prime Minister Binyamin Netanyahu’s five-day visit to China constitutes a crucial opportunity to stop the flow of nuclear technology from North Korea to Iran. With Iran boosting uranium enrichment and the red line set by Netanyahu approaching, it is absolutely vital to convince China it must immediately stop acting as a hub for North Korea’s nuclear proliferation activities. China has to stop turning a blind eye to Iranian nuclear scientists visiting North Korea via Chinese airports, and prevent the smuggling of nuclear technology by North Korea’s state-owned airline, Air Koryo. The airline is blacklisted by the EU and banned from operating in European airspace because of safety concerns, and China must follow suit, before disaster strikes its airports.The world’s attention is focused on North Korea’s bellicose rhetoric, threatening to launch a preemptive nuclear strike against the US, but few people in the Far East take it seriously. People in neighboring countries know North Korea’s sole aim is regime survival, and that it cannot use nuclear weapons, which would be suicidal.However, North Korea poses a clear and present danger to Israel, thousand of miles away. The real threat posed by North Korea is its willingness to sell nuclear technology and nuclear weapons to fanatics who are eager to use them against innocent people.