DONGGUAN SHENGMU ELECTRONIC INDUSTRY CO， LTD.IS ONEFACTORY，OUR MAIN BUSINESS IS IN DEVELOPMENT AND MANUFACTURING OF HEADPHONES,SPEAKERS,KARAOKE SPEAKER ANDOTHER AUDIO PRODUCTS.

NOT ONLY WITH EXPERIENCED & ADVANCED TECHNOLOGY，TOTALQUALITY MANAGEMENT SYSTEM TO MANUFACTURE HIGH-QUALITY PRODUCTS,SHENGMU ALSO HAS STRONG R&D TEAM (INCLUDING ID DESIGN,ELECTRONIC ENGINEERING, STRUCTURAL DESIGN)MOLD PRODUCTION DEPARTMENT INJECTION DEPARTMENTSPRAYING DEPARTMENT, PRODUCTION ASSEMBLY DEPARTMENT.QC DEPARTMENT, WAREHOUSES ETC. WITH COMPLETE SYSTEM OFPRODUCTION，QUALITY MANAGEMENT SYSTEM AND HIGH QUALITY WORKFORCE，PRODUCTS ARE SOLD TO DOMESTIC ANDOVERSEAS MARKET FOR HIGH END OF EUROPE AND THE UNITEDSTATES AS WELL AS DOMESTIC ONLINE SHOPPING，WE ALWAYSPERSIST TO MUTUAL ASSISTANCE AND WIN-WIN WITH CUSTOMERS,COMMON DEVELOPMENT.