1111111111, Nanjing first positron Limited by Share Ltd is a professional engaged in various types of resistors, temperature sensors, chip NTC, chip PTC, chip inductors, magnetic beads research and development and production enterprises. The company is headquartered in Nanjing District, Zhongshan, Liuhe science and Technology Park, convenient transportation. All our products are of international quality standard, and our products are sold abroad, and they are well known in many markets both at home and abroad.