Focus on manufacturing and exporting acoustic components: Electromagetic transducer and buzzer; piezo transducer and buzzer; mylar or micro speaker and loudspeaker.

Nanjing Rongguangda Electronic# Group# Company Ltd. main products plastic film capacitor and blackwhite picture tube. And its major items are produced according to international quality standard and current foreign requirement. The company's film capacitor has met the IEC-384-1 standard with reliability of grade 6 and received the US UL quality certification and the Germany VDE quality ...