Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. If you’ve ever looked at a metal part — a car transmission housing, a laptop hinge, or a power tool body — and wondered, “How…
Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. If you’ve ever wondered how those precision metal parts in your car, your power tools, or your smartphone are made — the answer usually starts…
Introduction: The Heavyweight Champion of Metal Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. You know those shiny metal parts in your car engine, your power tools, or your kitchen faucet? Chances…
Introduction: The Foundation of Quality Aluminum Castings Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past 17 years, I have designed and built hundreds of molds for casting aluminum — from…
Introduction: The Backbone of High-Volume Metal Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve designed and built hundreds of high-performance tools, specifically focusing on the metal die casting…
Introduction: The Foundation of Rotomolded Products 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 Molding Molds — ranging from large water tanks…
Introduction: The Backbone of High‑Volume Metal Parts 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 Die Casting Molds for clients in automotive, electronics,…
Introduction: The “Invisible Battleground” of Mold Performance In stamping mold manufacturing, material selection directly determines mold life, product quality, and production cost. A set of stamping mold made of inferior steel may fail after only 10,000 strokes, while one made…
Introduction: The Pain of a Prematurely Failed Mold An automotive parts company once owned a precision injection mold worth ¥800,000, with a design life of 1 million cycles. In reality, after only 350,000 parts, severe rusting, guide pillar seizure, and…