General Foundry

About

General Foundry Service is a customer-centric foundry with over 70 years of experience specializing in turnkey aluminum and zinc-aluminum casting solutions. Based in San Leandro, California, the company provides prototype, low-volume, and intermediate-volume finished castings for ready-to-assemble applications across diverse industries. The foundry offers comprehensive casting capabilities utilizing five complementary processes: green sand castings, no-bake (air set) sand castings, permanent mold castings, rubber plaster mold castings, investment (lost wax) castings, and 3D printed sand mold castings. Beyond casting, General Foundry provides complete turnkey solutions including patternmaking and toolmaking, secondary CNC machining, quality control, and value-added services such as surface finishing, plating, and painting. The company maintains ISO 9001:2015 certification and ITAR registration, enabling them to serve critical industries including medical and surgical equipment, biotechnology and life sciences, robotics and electromechanical systems, homeland security and defense, semiconductor equipment, telecommunications, and GPS equipment. General Foundry's engineering expertise allows them to work with customers from design through production, ensuring optimal casting solutions that meet specific dimensional tolerances and surface finish requirements while delivering dependable customer service and quality results.

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