Our company was established since 1991, has long history and experience in transistor production.we are a manufactory develop and sale transistor, thyristors, Tricac, Rectifier and voltage regulators, etc.We are specialized in transistor 1300 series and voltage regulator 78 and 78M series and traics&thyristor.We could delivery our goods within 2 weeks. We have TO-220, TO-251, TO-252, TO-263, TO-126, TO-92, TO-3P automatic production line and the world&＃039;s most advanced production equipment. Our products are widely used in home appliances, power, eletric bicycle, automobile electrical, communications, power tools, lighting and many other related fields. Our products comply with the requirement of RoHS Compliant Directive. Our quality management system have passed ISO9001:2000. so our products is also of high quality and competitive price. If you are interested in our goods, please feel free to contact with me, I will provide best and fast service for you.