Quality Management System (ISO 9001:2008)
To assure manufacturing processes are performed to the highest quality standards, ISO 9000 quality management system is used as a tool to manage our quality system. True Tone has been certified ISO 9001:2008 on the Design and Manufacturing of Metal Contact Domes for the Electronic Industry by TUV on 2010.
ISO 9001:2008 Certificate Download (PDF)

RoHS Compliant
Our products of Metal Domes complied with the requirement of RoHS standard.

RoHS Certificates Dowload (PDF)
Stainless Steel Metal Contact Domes - ROHS compliance
Nickel Plating Stainless Steel Metal Contact Domes - ROHS compliance
Gold Plating Stainless Steel Metal Contact Domes - ROHS compliance