Quality & Environment

Quality is an important parameter for TRESU. All working processes are audited according to ISO:9001 and ISO:14001, ensuring a constantly high product quality.

Download Quality Certificate ISO 9001
Download Environment certificate ISO 14001

Our products can also be supplied in compliance with UL, GS and CSA approvals.

We have a constant focus on incorporating environmental concerns in the manufacturing process of our products to the benefit of our employees, the environment and our descendants. TRESU has obtained a diploma for an extraordinary environmental effort from the organisation Green Network.

Download Green Network Diploma

TRESU is also certified according to Achilles.

Download Achilles certificate