The company introduced advanced technology and advanced testing equipment from home and abroad, and had built up dependable quality managing system.It has passed ISO9001: 2015 quality system certification. The characteristics and mounting layout of the products are kept accordant with foreign congeners.The company's products have gained the certificates of UL,TüV,CE and CQC, and comply with EU requirement of RoHS.It is a priority to replace similar products choice. "HELISHUN" relays are well sold in home and abroad market, and are widely used in household electrical appliance, telecommunication, automation control, automobile, instrument and meters. We are pursuing high quality from all-round management, and have won customers' satisfaction by careful manufacturing. With outstanding product quality and good service, we win more and more trust. Warmly welcome customers from home and abroad to visit our company as well as the partners of OEM and ODM to have extensive cooperation.