Longsun is a leading professional manufacturer and designer of acoustic component. With our strong R&D team and up-to-date production equipments based in our factory, we offer customers the high-quality products and efficient service to meet your different requirements.
R & D: Upgranding Technology, Creating the Requirement, Sharing the Profit;
Quality: Mutual Cooperation, Quality Upgrade, Customer Satisfaction;
Service: Reasonable Price, Delivery On Time, Service In Time.