China’s arms exports have surged...flooding sub-Saharan Africa with a new source of cheap assault rifles and ammunition...[Its] lethal wares wind up in conflict zones in violation of U.N. sanctions. Weapons from China have surfaced in a string of U.N. investigations in war zones stretching from the Democratic Republic of the Congo to Ivory Coast, Somalia and Sudan. China is by no means alone in supplying the arms...and there is no proof that China or its arms exporters have intentionally violated U.N. embargoes...But China has stood apart...for its assertive challenge to U.N. authority...flexing its diplomatic muscle to...curtail investigations that may shed light on its own secretive arms industry...“This is really a case of unbridled capitalism, and I think the Chinese government is not even always aware of what these companies are doing,” said David Albright, president of the Institute for Science and International Security...