Established in 2001, Shenzhen Qinxinlong Electronics is a national high-tech enterprise specializing in the production of high-frequency trans formers and other winding products.The wholly-owned subsidiary, Hunan Yongzhou Qinxinlong Factory, covers an area of 5200m' and has 150 employees; The total number of employees of Huikai Electronics in Xinwei Town, Huizhou is 100, with a ...