seoul north korea use chinese-made truck display missiles massive military parade last week accord photograph release state media underline difficulty enforce u.n. sanction isolate state saturday parade mark 105th birth anniversary founder president kim il sing north korea display six pukkuksong submarine-launched ballistic missiles slbm first time tow behind truck paint north korean navy camouflage photograph logo chinese firm sinotruk see vehicles last year reuters report north korea use sinotruk howo truck display new mobile artillery system sinotruk sales official say tuesday aware company truck use year parade understand business north korean market since last year north korea never major focus say official give last name gu may refit themselves china north korea maintain normal contact include normal business contact say chinese foreign ministry spokesman lu kang ask truck time permanent member u.n. security council china strictly adhere international responsibilities include security council resolutions lu tell daily news brief since 2006 unite nations sanction ship military hardware north korea control equipment vehicles dual-use military civilian applications far less stringent also much hard track north korean state media past release image sinotruk chassis cabin propaganda relate construction mine u.n. report note use truck display mobile artillery last year name sinotruk say chinese seller include clear clause deal north korean buyer truck civilian use north korea also appear reveal two new type intercontinental ballistic missiles icbms saturday parade one mount large off-road truck identify early u.n. report chinese origin 2010 statement send china north korea forestry ministry say truck buy transport timber accord u.n. report second two icbms mount north korean-branded taekpaeksan military truck use tyres make china-based triangle group accord photos parade see reuters triangle group major tyre manufacturer headquarter weihai port city eastern shandong province say aware tyres use military parade possible resold somewhere else official triangle export department say china-made truck use north korea parade show submarine-launched missile