Yantai Xinrui Electronics Co., Ltd. is a high-tech enterprise specializing in the production of overcurrent protection components, polymer PTC, and resettable fuses. The company has advanced and complete production equipment and testing instruments; relying on its own technical personnel and related cooperative colleges The school has a strong scientific research force, and has established a complete technical research and development and after-sales service system. It is one of the leading manufacturers in the polymer PTC industry in China, and its product quality is firmly in the forefront of the industry.

The polymer PTC thermistor produced by the company has the advantages of complete specifications, high safety, automatic recovery, good resistance to strong current, short recovery time and small size. Products are divided into three categories: plug-in, battery protection sheet, patch (SMD). According to different rated working voltage (6V ~ 600V), working current (30mA ~ 16A) and different installation methods, thousands of models are produced. The annual output reaches 300 million, and the output value is 40 million yuan. It can be used in communication switches, patch panels, computers, micro motors, transformers, audio, batteries (groups), automobiles and other electrical equipment and circuits to play an overcurrent protection role.

In 2004, the company passed ISO9001 quality system certification, SGS environmental protection certification, UL safety certification, CCC certification, TUV certification. Relying on professional product production lines, high-tech testing methods and strong technical strength, the company can design and develop products with different requirements according to the needs of customers and the market, and provide a full range of services. The company has established a complete quality assurance system. In line with the tenet of "customer first for survival, high quality and efficiency for efficiency, and technological innovation for development", the company strictly controls quality and keeps forging ahead in market competition.