Dreistern The Ultimate in Rollforming and Welding Maintaining and increasing market share while under intense competitive pressure is a challenge every tube producer faces. Key in meeting this challenge is to increase pro......Dreistern The Ultimate in Rollforming and Welding Maintaining and increasing market share while under intense competitive pressure is a challenge every tube producer faces. Key in meeting this challenge is to increase productivity and quality. Our main goal is that every customer is completely satisfied with Dreistern. Dreisterns leading edge technology, combined with a solid customer/supplier alliance is the key in attaining this goal. Dreistern - over 50 years experience, over 1,500 rollforming systems installed worldwide.