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…
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: 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: 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: The Challenge of Large, High‑Precision Prototypes Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When clients need a large, highly detailed prototype — say, a 600 mm automotive dashboard panel or a…
Introduction: From Months to Days Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen product development cycles shrink from 12 months to 3 months — thanks to SLA 3D printing. Traditional methods…
Introduction: The Ugly Truth About Support Marks Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common frustrations I hear from clients using SLA 3D Printing Service is: “The part…
Introduction: The Testing Dilemma Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, engineers ask me: “Should I use FDM or SLA for my functional mechanical test parts?” The answer depends on…
Introduction: The Best of Both Worlds Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For years, engineers faced a choice: use 3D Printing Manufacturing for complex geometry but poor surface finish and accuracy,…
Introduction: The Print Is Only Half the Story Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve printed thousands of 3D Printed Parts — and I’ve learned that what comes off the build…