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 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…
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 I watched an EDM machine run. Back then, I was a young engineer fresh…
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 get asked more than anything, it’s this: “Barry, how do I get into…
Hey, I’m Barry Zeng. I’ve been in the CNC machining game for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory. If there’s one thing I’ve learned, it’s this: your production line is only as good as your spare…
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 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,…
Introduction: The Steel Behind the Spark Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. My daily bread? Helping clients pick between 3D printing and CNC machining. The wrong choice can crack a mold—or…
Introduction: The Day Your Machine Stops — and How to Fix It Fast Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Picture this: it’s 3:00 PM on a Friday. Your most important production…