Introduction: The 50‑Part Crossroads Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common questions I get is: “I need 50–200 custom parts. Should I invest in injection molding tooling,…
Introduction: Precision That Drives Performance Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve designed and built hundreds of Custom Injection Molds for the electronics and automotive industries. These…
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: 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: Defects Cost Time and Money — Here’s How to Fix Them Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve troubleshot thousands of defective Injection Molded Parts —…
Introduction: The Evolution of Rotational Mold Materials Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve designed and built hundreds of Rotational Molds — from large water tanks to…
Introduction: Understanding the Heart of Rotational Molding Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve designed and built many Rotational Molding Molds for clients across various industries, ranging from…
Introduction: A Decision That Impacts Your Bottom Line When designing an injection mold, one of the most critical decisions is choosing between a hot runner and a cold runner system. This choice affects part quality, cycle time, material usage, and…
Introduction: The Need for Speed in Product Development In today’s fast‑paced product development environment, getting functional prototypes quickly can mean the difference between market leadership and missed opportunities. Traditional CNC machining of complex parts can take weeks, while injection molding…
Introduction: The Silent Precision Behind Everyday Products From the smooth‑clicking buttons on your remote control to the seamless housing of your smartphone charger, every plastic part you touch is born from an injection mold. In the household appliance and consumer…