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Quality and environment


‹We take responsibility›. Quality and the environment are of particularly importance in the mission statement of Erich Keller AG. All employees work with appropriate commitment and responsibility towards achieving optimum quality in combination with a high sense of responsibility for the environment.



Certificate Canton Thurgau

ISO 9001 + ISO 14001

Greenguard-Zertifikat

Certificate Natural Park

Rating Certificate Dun & Bradstreet