The bottom with housing casting is a critical component within cylinder assemblies, serving as a robust support structure to ensure the stable operation of the cylinder under varying loads and oil pressure conditions. Constructed from durable G20Mn5 material, this component undergoes a meticulous manufacturing process that combines investment casting with precision machining. This comprehensive approach guarantees the production of a high-quality support structure that plays a pivotal role in maintaining the reliability and steady performance of the cylinder in a wide range of applications.