CERTIFICATE AND MEMBERSHIP

Tresna is certified by the ISO9001, ISO-14001, ISO-10012 and CE (CONFORMITE EUROPEENNE).The majority of our tools and instruments meet or exceed accuracy and performance requirements of GB/T - China Specifications and all other known international specifications. If you are in the market for calipers, micrometers, indicators or any one of hundreds of measuring instruments, there is a Tresna Instrument to meet your needs. You can depend on Tresna for the highest of quality and precision measuring instruments.