CY (Supersonic)

Changzhou Chaoyin Electronics Co., Ltd. is situated in Changzhou City, Jiangsu Province, China, approximately 150 kilometers from the international metropolis of Shanghai. Surrounded by the Yangtze River and the Grand Canal of China, the company benefits from an optimal geographical location with highly developed transportation networks including highways, railways, and waterways. Changzhou is also a modern city rich in historical and cultural heritage. Established in 1998, Changzhou Chaoyin Electronics Co., Ltd. is a technology-driven private enterprise specializing in the research, development, and production of electromagnetic buzzers, piezoelectric buzzers, alarms, and other electroacoustic products. Located in Jiangsu Changzhou—the birthplace of buzzers—the company spans an area of 80,000 square meters, with 50,000 square meters of GMP-certified production facilities. Among its 200 employees, 5% hold mid-to-high level technical expertise. The company obtained ISO9001:2000 international quality management system certification in 2000. All products meet EU RoHS regulations and have passed multiple EU Kekou certifications. Since its establishment, the company has adhered to the principles of "quality first, reputation first," "user-centricity," and "integrity as the foundation." Through continuous innovation, its high-quality buzzers are widely applied in instruments, equipment alarm systems, measurement devices, wireless transmission equipment, automotive instruments, medical devices, communication器材, quartz clock motors, computer terminals, and more. Key clients include Joyoung, Lenovo, Siemens, and other major enterprises. Equipped with advanced specialized production lines, the company strictly follows ISO9001 international quality standards from raw material procurement to成品 production. Its products are exported to regions including Europe, the Americas, Malaysia, Russia, and South Korea. With superior quality, cost competitiveness, and timely delivery, the company has earned recognition from domestic and international buyers. Integrity defines our brand. Our strengths lie in "best quality at equivalent prices" and "lowest prices for equivalent quality." We invite new and existing clients to visit, negotiate, and collaborate. With our sincere and efficient service, we will provide and develop products tailored to your satisfaction.