Founded in 2001, DongGuan HARDWIN CO.,LTD. is a professional car Amplifier Manufacturer, Who Majors in Producing Car Amplifier, Has grown up to Alarge Company With More Than 600 Experienced Workers and 40 R&D Engineers, Technical Advisors and  Managers; Occupying 25000 Square Meters With 20000 Square Meters Workshop: Owning Series  Advanced Production and Test Equipments; Having Exported our Products to Europe and Asia, Etc. We are Completely Capable of Developing and Producing Series Products for the Customer, Our Develop Ment owes to The Customers Support and Trust. We Will  Forever offer our Customers With High Technology, Innovating Products and Excellent Service.