Frank Li

Starting as an apprentice at 17, Frank has mastered every station of the fabrication process—from laser cutting and bending to precision welding. He founded ShincoFab to give global clients direct access to an ISO9001-certified factory, eliminating trading company markups. On this blog, Frank shares expert insights on manufacturing optimization, cost reduction, and quality control for your custom metal projects.

Envelope
Frank
Four types of PEM self-clinching fasteners
Frank

PEM Fasteners 101: What They Are, Types, and How to Use Them

If you work with sheet metal, you know the struggle of adding strong threads to ultra-thin parts. As a fabrication expert who has spent years on the factory floor at ShincoFab, I’ve overseen the installation of millions of PEM fasteners. I have also seen thousands of customer parts ruined before they even reached our assembly

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Frank June 29, 2026
Close-up of press brake punch and v-die
Frank

How to Calculate Sheet Metal K-Factor on the Shop Floor ？

If you bend sheet metal, you know the frustration of folding a part only to find the dimensions are out of tolerance. As a lead fabrication engineer here at ShincoFab, I’ve spent years on the shop floor bridging the gap between CAD designers and press brake operators. I know how much money goes into the

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Frank June 28, 2026
Outdoor aluminum electrical enclosure on concrete wall
Frank

Metal vs. Plastic Electrical Enclosures: How to Choose & Avoid Failures

As a fabrication expert at ShincoFab, I’ve spent years reviewing blueprints and manufacturing custom metal enclosures for industrial plants and coastal facilities. I’ve seen firsthand what happens when clients come to us after a cheap plastic box melted in their hot factory, or when they specified the wrong grade of steel for an oceanfront project

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Frank June 27, 2026
Rain-drenched outdoor metal electrical control box
Frank

IP65 vs IP67: Which Waterproof Rating Do You Actually Need?

As a lead fabrication engineer at ShincoFab, a custom sheet metal manufacturer, I have audited hundreds of outdoor electrical installations, and I see the exact same mistake every day. Buyers ruin expensive gear because they misunderstand waterproof ratings. Most people assume a higher number is always better. They overspend on IP67 when IP65 is actually

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Frank June 25, 2026
New wall-mounted industrial electrical box with cables
Frank

How to Choose Electrical Enclosure Materials: A Fabricator’s Guide

At our ShincoFab sheet metal facility, our laser cutters and press brakes run all day shaping metal enclosures. Over the years, I have had desperate engineers walk onto our shop floor carrying completely disintegrated, rusted-out boxes they bought just a year prior. Real-world failure: A customer brought this standard carbon steel enclosure to our ShincoFab

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Frank June 25, 2026
Rows of metal electrical enclosures on factory floor
Frank

NEMA 3R vs. NEMA 4X Enclosures: How to Make the Right Choice

As someone who oversees the sheet metal fabrication floor at ShincoFab, I’ve watched raw sheets of steel turn into these exact enclosures every day. Over the years, I have seen people waste thousands of dollars by picking the wrong box or misunderstanding how they are built. You do not want to fail an inspection or

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Frank June 24, 2026
Stamped sheet metal part with stiffening ribs and cutouts
Frank

How to Reduce Sheet Metal Part Weight (A Factory Floor Guide)

After 15 years of running press brakes and analyzing scrap bins here at ShincoFab, I have seen the same expensive mistake over and over. When a part fails a load test, engineers instinctively spec a thicker gauge of metal. But adding weight kills your profit margins, increases freight fees, and slows down your assembly line.

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Frank June 23, 2026
Loading large sheet metal parts onto a freight truck
Frank

Factory Guide: How to Reduce Sheet Metal Shipping Costs

Running the floor at ShincoFab, I’ve overseen the fabrication and logistics of thousands of custom sheet metal orders. Freight bills consume profit margins when shipping 11-gauge steel enclosures. Every extra pound and wasted inch of truck space costs money. In this guide, I will share the exact strategies we use at our sheet metal facility

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Frank June 22, 2026

ShincoFab specializes in precision sheet metal fabrication, delivering high-quality custom metal solutions to clients worldwide with advanced technology and expert craftsmanship.

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