CICA Stringed Instrument RepairS. Please E-mail-cicaviolin@yahoo.com or call 901-219-3931 for an appointment. CICA Violins, Thomas Chun-yu Chen Violin workshop Thomas Chun-yu Chen, 4/4 size violin dated 2006 4/4 size violin by Thomas Chun-yu Chen 4/4 size violin dated 2008 made by Thomas Chun-yu Chen 4/4 size violin dated 2008 by Thomas Chun-yu Chen