SINO-FOREIGN JOINT-VENTURE OF DONGGUAN SIGNALLY TECHNOLOGY ELECTRON MANFACTURE IS A BRANCH OF HENGHUI INTERNATIONAL GROUP. SPECIALIZED IN ALL KINDS OF HIGH FREQUENCY GENERATOR, A SERISE OF MIDDLE, HIGH AND LOW LEVEL MICROPHONES, THE HEAD OF MICROPHONES AND THE PRODUCTS OF HIGH-LIVEL MICROPHONES AND PLUGS IN ALL KINDS OF SPECIFICATONS, WHICH ARE FOR STAGE AND FAMILY USE. THE MAIN PRODUCTS USE WIDELY, SUCH AS: ELECTRON FLASH LIGHT, STAGE FREQUENCY OF LIGHT, SAVE ENERGY LIGHT, EL COOL LIGHT, WARNING LIGHT DIRECTION LIGHT, MEDICAL SCIENCE INSTRUMENT, ELECTRON CALCULATOR EQUIPMENT, WRIELESS, MOBILE COMMUNICATIONS EQUIPMENT, THE POWER SWITH OF DVD, DVB, AIR CONDITION REMOTE CONTROL, DRINDING WATER, TELEVISION, OTHER HIGH FREQUENCY EIECTRON AND APPLIANCE ETC. BASED ON ISO9000 MANGEMENT SYSTEM STRICTLY AND "PRODUCT TO IMPROVE CONSTANTLY, INSPECTION METICULOUS, DELIVER ON TIME, WARMLY SERVICE"