YS Manufacturing is an ISO 9001 certified multinational manufacturing company with production facilities in China and management headquarters based just outside Philadelphia, Pennsylvania. Our highly skilled machinists and project managers have more than 40 years of experience specializing in precise, high-tolerance components from a wide variety of difficult-to-machine materials. We also offer a variety of casting, fabrication, design and sourcing services to meet your manufacturing needs. Let us know what we can do for you! Read on to learn more … Learn More about Welcome to YS Manufacturing