Sanyou Lianzhong Group Co., Ltd. is a professional national level high-tech enterprise integrating R&D, manufacture and sales of relay, and one of China Top 100 Electronic Component Enterprises. Sanyou produces over 10,000 types of relays in over 80 series, covering magnetic latching relay, general power relay, automotive relay and communication relay, which are widely used in home appliance, traffic, industry, energy, information, medical treatment and other fields.