文档介绍：:NMoneyMarch13,2012:4:03PMETTweet EmailPrintChina')--ChinaandtheUnitedStatesaretheworld'slargesteconomiesand,bysomemeasures,eachother'',asPresidentObamaannouncedthattheUnitedStates,'sonlythelatestinaseriesofpendingtradedisputesbetweentheUnitedStatesandChinathatexpertssaywon'',elementscrucialtothemakingofnumeroushigh-techproducts,--usedinproductsfromtanksandshipstoradarsystemsandnightvisiongoggles--aswellasgreen-%ofallrareearths,,Molycorp(MCP),,itwillbeproducingonlyasmallfractionoftheoutputfromChina."paniesbuildingthoseproductsrighthereinAmerica,"saidObamaonTuesday."Buttodothat,esstorareearthmaterials--whichChinasupplies."HesaidChina'anization①,sayingitsrulesaredefensibleongroundsofenvironmentalandeconomicsustainability④,andsuggeststherewouldbeconsequencesiftheUnitedStatespressesthecase."PastexperienceshaveshownthatpolicymakersinWashingtonshouldtreatsuchissueswithmoreprudence,becausemaintainingsoundChina-,"saidChina''stradepolicies