Nanjing Yuesong Electronic Co., Ltd is a high-tech enterprise specializing in researching, developing and manufacturing educational electronic productions and teaching instruments. 　 It mainly produces cassette stereo high-speed duplicators. The main productions include three principal series: 5 times speed, 12 times speed, 16 times speed. Following are the main productions: YS-01, 1 to 1 duplicator, YS-100: 1 to 100 duplicator (For export); CCD-2101: 1 to 1 duplicator, CCD-2100: 1 to 100 duplicator ( For domestic).Our productions have superior performance, perfect timbre, complete specification, reliable quality and fine service. We can meet the demands of various customers. Our productions are mostly used in schools, art organizations, Audio-video publishing companies, religion units .　 The performance of our productions has taken a leading position in this field in China. While we are guaranteeing the production quality, we are also keeping improving the after-sale service. We are recognized by the customers by the fine credit. Our products have a good share in China, Middle East、 Africa、 Australia、 Southeast Asia and Russia.