Duplex unwinding machine / hand pressure by improving cutting and welding heat treatment platform that re-quenching 1 to 2 times, improving the hardened layer of such rolls, but each re-quenching heat treatment not only requires a certain cost, but will have lost the roll diameter of about 5mm, while rolling in after several heat up easily deformed Shao company mainly produces high-frequency welded pipe, pipe rollers, slitting, cold-formed steel series unit, cold-rolled strip steel unit, rims roll forming units, fender forming units, handlebar forming units, aluminum coil unit, and for the above equipment research, development and production of various types of rolls. Our company has developed a variety of cold-formed unit and material type roll output has to fill the gaps. If you would like more information about the duplex unwinding machine / hand pressure shearing and welding platform, please contact us a lot. Company Name: Bazhou Shao l Pipe Equipment Manufacturing Co., Ltd. Mobile: 13603162780 Mr. Yan Phone: 13731608025 Mr. Yan Phone: 13785616316 Zhao Mobile: 13930663332 Zhao QQ: 654964596 Tel: 0316-7217425 72274257237425 E-mail: bzshaosheng@163.com Postal Code: 065700 Website: www.bzshaosheng.com Address: Hebei Bazhou bridge construction host Lang Industrial Zone, eight Island Garden Network studio finishing release