Established in 2002, Yueqing Qianwei Electric Co., Ltd. is a specialized manufacturer of relays. Through years of development, our company has formed a qualified and specialized team for development, production and marketing. We absorb the advanced international technology, and our main products include proximity switches, photoelectric switches, solid state relays and switch power supplies. Relying on superior quality, excellent service, prompt delivery and competitive price, our products xxxxx