Successful Cases

Customers in Cangzhou adopt Ruio’s complete lost foam hollow shell casting production line. Equipped with special vibration compaction and negative-pressure supporting equipment, the process effectively reduces blowhole and carbon slag defects. Finished castings feature smooth surface and high qualification rate. Featuring low investment and high sand recycling rate, the line is widely used for valve housings and mechanical parts, serving as a typical hollow-shell casting project in local foundry industry.