Haiyan Zhongxin Electronic Co., Ltd is located in the economic development zone of the north shore of Hangzhou Bay Bridge in northern Zhejiang Province---the No.1 trans-oceanic bridge in the world. Established in 2000, it is a high- and new-tech enterprise mainly producing magnetic latching relays by integrating design, development, production and sales. After almost 20 years of strenuous expansion, the company has shaped a strategic structure by taking its foothold in Zhejiang, covering whole China and expanding overseas markets. It is one of the earliest companies developing and producing magnetic latching relays in China with a number of national patents.