Kunshan Risun Electronic Co., Ltd. is a professional manufacturer of piezoelectric ceramics products. Our company has been researching, developing, and producing piezoelectric chips for medical ultrasonic, piezoelectric chips for industrial ultrasonic device and piezoelectric chips for piezoelectric ceramic frequency components. The products are widely applied in the ultrasonic, household electrical appliance, electric equipments, computer, wire and wireless telecommunications equipments etc. fields.     Our management ideology is to strive with quality, develop with technology and market with service. Our company has solid technology strength, advanced craftsmanship equipments, scientific management. A wide variely of sizes and shapes are available.......