Profile: Lancashire Tube Stockholders Ltd. offers products such as boiler tubes, hollow bar, line pipe, stainless tubes, hot finished seamless and welded gas list tubes. Trumech is the new improved cold finished seamless tube for mechanical applications having closer tolerances than normal BS and DIN. Our PTG 700 was specifically designed for the production of wheel chairs, where the requirement was for a high strength formable tube, which would allow thinner walls to be used, The higher specification offered makes it suitable for many other applications like high tensile and high yielding.