. >> reporter: they're resolutely deproceedsd to sment so close to its territory. the u.s. and south korea are trying to pressurize china to get tough on its ally. the pursuit of economic success and a viable nuclear weapon the twin guiding principles of his rule. so far he has approved he is immune to beijing's paements to convince him otherwise. this launch comes at the start of the lunar new year around days before the birth of current leaders late father. north korea space agency called it a gift to the nation >>> adrian brown has been monitoring the reaction in beijing and sends this report >> reporter: china is the only friend or ally that north korea has. it provides a vital economic life line to the country. just a few days ago china dispatched a special envoy to appeal to the government there not to go ahead with this test. the fact that north korea has so openly defied china will, i think, be a cause of anger and embarrassment to the leadership here. on sunday the ministry of foreign affairs issued a terse statement here saying that they regretted the fact that no