... truck model from China,more kinds of horn for truck available too. T0023Electricity-magnetism horn (12V* with relay) available for any truck ... model from China,more kinds of horn for truck available too....Electricity-magnetism horn(Speaker,horn ) available for any truck model from ChinaAs ... /JIEFANG,KINGLONG, GOLDEN DRAGON, YUTONG, JINBEI, GREAT WALL Electricity-magnetism horn (Speaker,horn )