With the testing and certification of cables and wires from insulating hoses and tapes to body protection and voltage testers, our special laboratory covers a range of tests that is highly recognized worldwide. Testing is carried out in accordance with directive requirements based on national and international harmonized standards. In addition, we offer testing and support during the development phase. We are also a respected authority in long-term research on insulating materials. Since the creation of the HAR agreement in 1974, we have been THE German licensing office.