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…
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…
Introduction: The “Wait, You Can Print That?” Department Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. You know that moment when a machine breaks down and you need a part that hasn’t been…
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 Challenge of Programming CNC Spare Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For over 17 years, I’ve programmed and machined thousands of CNC Spare Parts — from replacement gears…
Introduction: Accelerating Product Development Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past 12 years, I have helped countless product designers, engineers, and entrepreneurs rapidly prototype their ideas using 3D printing.…
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: Why 3D Printing Has Revolutionized Prototyping Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve witnessed firsthand how 3D printing has transformed product development. Traditional prototyping methods —…
Introduction: Transforming Ideas into Physical Objects Faster Than Ever Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve helped hundreds of product developers, engineers, and entrepreneurs bring their ideas…