Solid-state high-frequency heating equipment / roll forming unit by improving heat treatment methods, namely, 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 also roll diameter have lost 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 machine , 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