Weifang ete electroncis is a professional manufacture on various kinds of power transformers (ei type, pcb ei type, toroid type and r-core type); smd ee5.0 & smd ee5.75 current sensor; audio transformer; toroid inductor; toroid coil; air coil; power inductor; line filter and so on. all these advance...

qinyi electron is one of the biggest manufacture who mainly produces kinds of medium and high range of electret condenser mic, digital mic etc. which are widely used on mobile, telephone, audiphone, headset, laptop, digital camera sound controlled toys etc. our ecm are all made of eco-friendly mater...

Ningbo yinzhou yinfeng electronic devices factory was founded in 1998. with years of experience in producing buzzers, speakers and alarm products, it has become one of the main magnetic buzzer manufacturers in mainland china and is the leader in terms of variety, quality and capability of buzzers an...