The S2169 is the similiar as stringing machine S3169 ，the racket stringing machine with LCD interface with both english and chinese language control panel,it’s intelligent Mirco-computer system control with automatic pound correction function,to assure precision ±0.1 pound.There’re 4 sets pound memory and 3 Stringing speed could be set as user’s request. The S2169 machine has constant pull tensioning system and Round work plate with synchronous racket clipping system. The stringing head has the string protection system,which can be adjusted according to the stringing route. Compared with S3169 ,the only difference is that the machine could only used for badmintoneracket.