Changzhou Guangda Electron Co.,Ltd(Changzhou Wujin Jiangnan Discharge Tube Co.,Ltd)was established in the eighties,which is located in Changzhou,Jiangsu Province.Our company introduces a full set of foreign advanced equipments and scientific management system, with a technical administration team of experienced and reasonable professional configuration,can provide matching service for customers and professional service of Synchronous research and development, is one of domestic minority enterprises that produces and manufactures series diodes,rectifiers,surge arresters and semiconductor arresters.
    Diodes series products we researched and manufacture  widely  apply to various fields,such as household appliances, green lighting,IT,digital products,automotive electronics and industrial control.Customers are throughout the domestic and international  well-known manufacturers.Our ceramic surge arrester series and semiconductor arrester series are mainly used for over-voltage protection of communication systems,power supply,cable television,computer,modem and other electronic equipments.
    With our continuous efforts,we successfully achieved ISO9001:2008 quality assurance system certification and ISO14001:2004 environment system certificate,main products achieved USA UL,Germany TUV security certificate,also comply with latest EU ROHS directive environmental requirements.
    We became the most dynamic company in the area of diodes and discharge tube,depend on our unique production technology,the most innovative products and driving development,to achieve sustainable,long-term and high speed development.All staffs of our company always believe that quality is the all,and satisfied smile of customers is just our inner joy.