• Today, more than 40 years after its foundation, Vietz is known nationally and internationally as a reliable partner and renowned producer and system supplier for pipeline construction. As a manufacturer of trend-setting welding and testing technology, bending and lifting devices - Vietz deliver machines to construction companies all over the world. With more than 40 years of experience in construction sites Vietz products are second to none when it comes to producing machines and equipment for pipeline constructions.