Patent Number:200730159379.1 High quality whistling stainless steel kettle 1.Bright mirror polish body,modern style;(can choose matt,sanding and heat resistant paint) 2.Elegant semi-automatic handle; 3.Whistling in spout cover; 4.Singled bottom or capsuled bottom available,suitable for electric furnace,induction cooker,gas cooker and natural gas furnace.