K & R Semiconductor Ltd. Is a well-established supplier in Hong Kong city. Our products include silicon rectifiers, fast recovery high efficiency schottky barrier voltage bridge switching diode, zener diode gas tube arresters, telcommunication ...

Ningbo Zhengmao Electronics Co., Ltd. is located in Ningbo, a port city Zhejiang Province, China. Our company specialized researching and developing, producing, selling of components used telecommunication, electron electric power. We can supply all ...