Here’s a fast, informative look at how Zhejiang Yugong Fluid Technology turns raw materials into precision butterfly valves. In this factory walkthrough, you’ll see the CNC machining process step by step—from stainless steel, carbon steel, and titanium components to quality checks—and learn how a 4,000 m² facility with 80+ employees applies its quality-first policy in real production. A clear, professional showcase for B2B buyers who value process transparency and reliable manufacturing.