Hey, I’m Barry Zeng. I’ve been running a CNC machining service for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and if there’s one thing that drives me crazy about this industry, it’s how long it takes to…
Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. If you’ve ever needed a custom part made, you’ve probably asked yourself: “Should I get this CNC machined or 3D printed?” It’s a great question…
Introduction: Choosing the Right Manufacturing Process Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past 17 years, I’ve helped hundreds of clients decide between two of the most common manufacturing processes:…
Introduction: The Spare Parts Dilemma Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I help clients produce Custom Non-Standard Spare Parts — components that are no longer available from the original…
Introduction: When Standard Plastics Aren’t Enough Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For most applications, ABS, nylon, or polycarbonate work fine. But when you need parts that withstand extreme heat, aggressive…
Introduction: Standing at the Crossroads of Change We’re already a quarter into 2026, and the pace of change in manufacturing is faster than ever. Step into the our shop floor, and you’ll notice something interesting: our 5-axis machining centers are…
Explore best practices for machining multi-curved, complex parts using CNC — from precise 3D modeling and CAM tool-path planning to multiaxis machining, cutting-tool selection, and quality control. Learn how to ensure accurate surface contours and high finish quality for complex…