Introduction: The Resin Makes the Part Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve printed thousands of parts using SLA 3D Printing — from detailed jewelry patterns to functional…
Introduction: Why Understanding the Injection Molding Process Matters for Buyers and Designers Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve been involved in the production of thousands of…
Introduction: Why Machining Carbon Fiber is Different Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. We produce many carbon fiber parts — from drone arms to automotive brackets. While carbon fiber composites offer…
Introduction: Three Cutting Technologies, One Factory’s Perspective Hi, I’m Barry Zeng from Shanghai Yunyan Prototype & Mould Manufacture Factory — a real sheet metal fabrication factory based in China. Every day, our workshop runs fiber lasers, plasma tables, and waterjet…
Introduction: The EV Revolution Raises the Bar Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past five years, I’ve seen the electric vehicle (EV) industry transform injection molding requirements. Traditional Automotive…
Introduction: The Triple Constraint of Custom Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every day, I work with clients who need small quantities of custom parts — anywhere from 1 to…
Introduction: Why Dimensions Change — and How to Prevent It Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve seen CNC Machined Parts that measured perfectly on the machine…
Introduction: Why Surface Treatment Matters Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen beautifully fabricated sheet metal parts rust within weeks because the wrong surface treatment was chosen — or none…
Introduction: The Semiconductor Industry’s Demand for High‑Purity Titanium Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve machined hundreds of low‑volume titanium components for semiconductor equipment — chamber…