Wuhan three Rainbow Heavy Industries Ltd. of welding machine operator with roller frame, variable-bit machine to match the operating machine flip frame cross arm welder can weld large diameter pipes inside and outside the longitudinal and girth. May require optional welding systems, also matching weld tracking system, monitoring system, flux recovery system or swinging automatic transmission according to user processes. My company's welding machine operator is broadly divided into: Heavy and light machine operator operating machine two kinds. Technical parameters of heavy machine operator: Parameter lightweight operation: Operation machine manufacturers _ Wuhan three Rainbow Heavy Industries (certified) _ operated machine provided by Rainbow Heavy Industries Co., Ltd., Wuhan three. Wuhan three Rainbow Heavy Industries Ltd. (www.whshzg.com) is Wuhan, a leader in welding equipment and equipment over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Wuhan three Rainbow Heavy leadership with the staff warmly welcome all inquiries negotiations to create three rainbow Wuhan Heavy better future.