... 16949:2009 3)Warranty,1 year 4)MOQ,1 piece City bus calling buzzerbig one size:114*36small noe size:83 ... our company have a further development. We successfully launched Pickup,SUV,CRV and the Hiace lamps production line. And we have ... also cooperate with GAC Gonow, Sichuan Automobile and Jiangsu Joylong. City Bus Calling Buzzer