Joint Sound Limited (JSL) is an EMS manufacturer for advanced SMT, conventional electronics PCB Assemblies and box build products, JSL was established in February 2005 and has successfully passed ISO9001:2000 quality system certification at June 2005, and upgraded to ISO9001:2008 quality system at March 2009.JSL has successfully passed ISO13485:2003 and ANSI/ESD S20.20:2007 since July 2010. ...