Established in 1995, Ningbo Keep Improving Electronics Co.,Ltd has become one of the largest Piezo Diaphragm ,Buzzer & Transducer, Siren and Speakers manufacturer in china, specialized in manufacturing Piezo electric Diaphragms & Elements, Electrical Sirens & Alarms, Piezo electric Buzzers & Transducers, Mylar Speaker and Woofer & Car Speakers. Our main customers are LG????SAMSUNG????WHIRLPOOL???? KYOCERA????MITSUBISHI????PIONEER????PANASONIC etc. please visit our web [-skipped-].com www.kepo.com.cn.
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