LONGSUN CORPORATION LTD

LONGSUN is a leading manufacturer and provider of acoustic components since 1999. We specialize in R&D, design, manufacturing and sale of ultrasonic sensor, proximity switch, rocking armature transducer, piezoelectric buzzer, dynamic receiver and transmitter, microphone, including carbon microphone, loudspeaker, siren and alarm Transducer etc OEM&ODM products to international market. LONGSUN is consisted of ultrasonic transducer factory, loudspeaker factory and piezoelectric buzzer factory, with total employees over 1000, more than 20,000 square meters production areas, all are managed under ISO 9001: 2008 certificated system, meanwhile, with our strong R&D team and up-to-date production equipments based in our factories, we provide our clients with the high-quality products and efficient service to meet their different requirements. Our ultimate goal is to provide best acoustic solutions and zero-defect quality products to meet our customer's satisfaction and beyond their expectations to reach win-win situation. Business Philosophy: R & D: upgrading technology, creating the requirement, sharing the profit; Quality: mutual cooperation, quality upgrade, customer satisfaction; Service: reasonable price, delivery on time, service in time. We believe our achivement comes from the success and trust of our customers.