... 2) different color , yellow, grey ,black. Product name: piezo element Dimension : 1) Φ5 x 10: diameter Φ5. ... , we are a professional manufacturer specialized in piezo ceramic igniter, piezo elements and electronic ceramics used for gas utensils. ... sales system including piezo ceramic material receipt development, piezo ceramic elements and parts manufacturing, and also finished piezo igniter assembling. ...