Heller is professional audio and professional audio,amplifier, mixer and peripheral devices R&D,production and sales of professional audio companies have developed their own sound technology, advanced production line of environmentally friendly products,in addition to meet their own product sales abroad,OEM and ODM customers to provide more programs,according to customer demand by domestic and foreign customers.
        Longs sound has been a high standard,requiring strict requirements of ISO9000 quality management system for production management,and has a highly qualified R&D team,market demand-oriented,in order to meet customer needs for the purpose of continuous improvement,forming a mature production and sales management system.
        Better technology requirements,scrupulous quality management,improve the efficiency of the service system is an important guarantee Langshi sound marketing at home and abroad,but also Langshi sound consistent pursuit of goals,the company will continue to innovate beyond the self,manufacturing first-class products,creating a first-class service,and industry colleagues together brilliant.