The plant is engaged in the production of resistor one of the key enterprises in Beijing .1968 receiving end of the factory radio, read now. Using magnetron sputtering, laser groove, chemical coatings, and other advanced techniques and contemporary single mation and Tu complex multi-channel detection joint production equipment, and in accordance with the standard IEC International Electrotechnical product reliability test series equipment, domestic sales resistor-26 provinces, municipalities, and some products had been departmental standards, the title of the gifted.