Longsun Acoustic is a leading professional designer and provider of acoustic components: ultrasonic sensor, dynamic speakers, telephone and mobile receiver, buzzer, siren and alarm bell etc. With our strong R&D team and up-to-date production equipments based in our factory, we provide customers with the high-quality products and efficient service to meet your different requirements. 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 success comes from the trust of our customers! For more information, please email or call us, you will get our response within 24 hours.
