About DongGuan Sheng-Yu Electronic Technology

JFY is a professional manufacturer with more than 34 years history in field of linear/High frequency transformer, choke, coil, inductors and adaptors. Our factory obtained ISO9001, ISO14001, we produce as per international standards and norms, no mater ASTM, EN or JIS. 1987 established head office--Just-For-You Enterprise Ltd in Taiwan 1994 established south China factory -- Dong Guan Shen-Yu electronic technology Ltd 2002 established east China factory-- Wujiang Shen-Yu electronic 2008 F & H class Insulation were obtained. 2013 Start automatical equipment to raise up effeciency. 2014~2017 Added solar inverter coil to our prouction line, current transformer and high voltage ignition coil to our production line. 2019 Obtained Hi-Tech Enterprise Certificate