We are audited and certified by the following standards:
ISO 9001 since 1995 - worldwide standard for quality management
ISO 14001 since 2004 - international environmental management standard
ISO 50001 since 2016 – energy management for optimum energy efficiency and thus environmental protection
TS 16949 since 2004 – global quality standard of the automobile industry
All certificates of SUMIDA AG
In addition, SUMIDA Lehesten participates in the thuringia sustainability agreement "NAThüringen"
In order to secure customer-specific requirements, internal customer audits are carried out in addition to ISO and TÜV certifications. Among other things the compliance with prescribed process sequences and quality standards were checked.
The auditing of external companies offers significant advantages. The periodic reviews ensure a constant advancement as well as the fulfillment of the highest quality demands.
As an award for extraordinary achievements in various business sectors, we received:
2017 - E2MS Award for process innovation
2013 - E2MS Award for business management
2011 - E2MS Award for business processes
In 2019, we were honored by the IHK Ostthüringen as a TOP training company for special commitment in the areas of career orientation, vocational training and development of skilled workers.