Rugao Dachang Electronics Co.,Ltd was established in May,1995.It's a modern semiconductor enterprise that focuses on research & development, producing and marketing. The company located in China longevity city of Rugao, Jiangsu. Dachang has its own brand of SIYU ,the main products are gerenal purpose rectifiers,fast recovery rectifiers,high efficiency rectifiers,schottky barrier rectifiers,high voltage diodes. It's widely used in LCD TV/MNT,home electrical appliances,led lamps and CFL,MALLAST,laser printer and other fields. It's most exported to Europe and Asia.Now we are one of the main suppliers of CANON,Panasonics,MURATA,ROHM in Japan,LG,SAMSUNG in Korea,KONKA,HISENSE in China. The company has gained ISO9001:2008 quality management and ISO14001:2004 environment management system certificantion, and fully uses QC080000:2005 standards to provide customers with green environment protection products.