Longxin Machinery Factory, located in Laiwu District, Jinan, Shandong Province, was established on May 19, 2009. Its registered address is at Renhuayuan Industrial Park in Laiwu District, Jinan. The company's business scope includes the processing and sales of aluminum alloy guide rollers, aluminum alloy idlers, air-actuated shafts, and mechanical parts; oxidation of aluminum alloy products; wholesale and retail of aluminum alloy profiles, aluminum alloy round tubes, aluminum alloy rods, aluminum alloy plates, aluminum alloy rear beams, rubber bending rollers, steel rollers, and rubber rollers. (As required by laws and regulations, the company's business operation is subject to relevant departmental approval and filing.)