DIN EN ISO 9001, SCC, DVGW W 120 … The regulatory requirements and expectations of the client on the qualification of their contractors continue to rise in the drilling industry unstoppable. For this reason H. Anger’s Söhne Bohr- und Brunnenbaugesellschaft mbH introduced an integrated management system in cooperation with the engineering company Hahn.
See also the page Certificates and Qualifications
