Perm Alloy core for hearding aid application Perm Alloy core for hearding aid application, please see attached photo with the specification of the core Plot No B27, Zone B, Phase 2, Mepz-Sez, Tamabaram, Chennai, Tamil Nadu, India Contact Person: Mr. Jeyakumar Nelson Telephone: 91-44-22628601 Fax: 91-44-22628612
