最新高清中文字幕av专区_一区二区三区精品视频日本_天堂一区二区三区久久久无码_国产中文字幕免费视频

333333333331111111111, 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.