Shanghai XinYuan Electronics Co. Ltd.--Xinyuan Electronics-Specialized in producing thermal fuse for over 44 years! Xinyuan Electronics’ two series of Thermal-links (RY & RH series), with the brand of Sanyuan, have successively been approved to bear the safety marks of many countries, like China CCC mark, UL mark, Germany TUV Rheinland mark, Japan PSE mark and Korea KC mark, etc.. Meanwhile, it has been certified to comply with the requirements of CE & RoHS directives. In 2016 RY series was fitted more than 100 million, and RH series was fitted more than 60 million.