Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and I’ve learned that “high precision” is one of the most misunderstood phrases in this industry. Over the years, I’ve had…
Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and if there’s one question I’ve never stopped thinking about, it’s this: what is precision actually worth? I’ve seen clients pay…
Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory. If there’s one category of components that quietly holds modern industry together, it’s CNC precision turned parts. You don’t see them…
Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and I still remember the first time someone asked me this question: “Barry, which is better — manual machining or CNC…
Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and I still remember the day I had to choose between buying a CNC mill and sticking with my manual machines.…
Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, if there’s one question I hear more than any other, it’s this: “Barry, should I CNC this part…
Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. If you’ve ever needed a replacement part for a machine that’s older than your first car — and the original manufacturer told you “sorry, we…
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…
Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. If you’ve ever needed a replacement part for an old machine — and the manufacturer told you it’s discontinued — you know the pain. Or…
Introduction: The Steel Behind the Spark Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Have you ever held a precision metal part — a bracket, a gear, or a housing — and wondered,…