... enterprise devotes to the rectification semiconductor device production and the research and development;avalanche thyristors;(TL371-250,TL371-320)phase control thyristor;(T212- ... DF212-10,DF212-16X,and so on)Plate high frequency thyristor;KG(KA)100A-1500A/100V-2000VThyristor module;MTC,MTA, ... Electric valve module;MDC,MDA,MDK(25A-800A/800V-2000V)Thyristor electric valve mix module;MFC,MFA,MFK(25A-800A/ ...