? Each roller frame arm shaft hole for the boring one clamping molding, high concentricity, wheel rotation flexibility. ? Proactive frame and driven roller wheel frame drum core are heat treated molding process. ?. Wheel all-plastic combinations, outsourcing portable heat-resistant rubber roller frame steel core role in supporting wheel, load-bearing capacity, long cycle rubber layer, no distortion, no unglued. Rainbow Heavy Industries Co., Ltd., Wuhan three self-adjusting wheel frame and adjustable roller frame, with operating machines, welding positioner, submerged arc welding machines and other equipment used in conjunction with wheel rack price, the workpiece can be girth welding and longitudinal seam welding can improve the speed and quality of welding welding production remained stable, greatly reducing the welding auxiliary time, reduce labor intensity, improve the working environment, improve labor productivity. Wheel frame, Wuhan three Rainbow Heavy Industries (certified), three wheel provided by Rainbow Heavy Industries Co., Ltd., Wuhan. 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.