Guangzhou Panyu Aodi Wei Electronics Co., Ltd. was established in 1999, is one of the largest domestic production of piezoelectric ceramic electronic components manufacturers, with a total production area of ??25,000 square meters. 2003 independent import and export rights; 2006 passed ISO / TS16949 international quality management system certification; in 2008 won the "high-tech enterprises in Guangdong Province," the title. Independent research and development of piezoelectric ceramic materials based on the production of piezoelectric ceramic products are widely used in household appliances, alarm equipment, car reversing radar, range finder, flow metering equipment, ultrasonic atomization humidifier, ultrasonic cleaning, proximity switches , blood pressure monitors, smart toys and other fields. Ultrasonic sensors which annual output of about 15 million. Development and testing of a sound system, has applied for more than 80 patents, including 48 national patents, with the powder from the piezoelectric ceramics to complete R & D capabilities of the finished part, the large OEM to meet customer demand for different products .