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
CNC press brake dies bending sheet metal
Frank

The Ultimate Sheet Metal DFM Checklist: Optimize CAD and Cut Costs

A comprehensive sheet metal DFM checklist ensures your CAD designs are optimized for factory-floor manufacturing, reducing scrap rates and avoiding costly custom tooling. I know this firsthand because I have reviewed thousands of CAD files before they hit the ShincoFab factory floor. Over my years as a manufacturing engineer here, I have seen recurring design

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Frank August 18, 2026
Seamless deep drawn metal shells on production line
Frank

Deep Draw Sheet Metal Forming: The Complete Guide for Engineers

Deep draw sheet metal forming is a high-volume manufacturing process that turns flat sheet metal (blanks) into hollow, seamless 3D shapes. As an engineer with 15 years on the ShincoFab factory floor, I have watched this process create thousands of high-precision parts—and I know exactly how it fails when corners are cut on tooling. While

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Frank August 17, 2026
Precision press brake tooling bending aluminum sheet close-up
Frank

5052-H32 Yield Strength: A Fabricator’s Guide

As the lead fabrication engineer here at ShincoFab, I work with aluminum on our factory floor daily. I know firsthand how these metals behave when you put them on a 100-ton press brake or send them out into harsh marine environments. The standard yield strength of 5052-H32 aluminum is 28,000 psi (193 MPa). However, the

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Frank August 16, 2026
Fabricated custom sheet metal bracket held by operator
Frank

How to Import Custom Sheet Metal: A Factory-Direct Guide

At ShincoFab, we have spent years running the CNC machines, press brakes, and welding stations for overseas clients, and we see the same expensive mistakes happen frequently. First-time buyers often chase the cheapest quote from a trading company, only to get derailed by hidden tooling fees, damaged components, and unexpected customs duties. In this guide,

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Frank August 12, 2026
Electrical enclosure door with rubber compression seal
Frank

IP66 vs. IP67: Why a Higher Rating Isn’t Always Better

If you are trying to protect expensive electrical gear from water, you have probably seen the ratings IP66 and IP67. But which one do you actually need? In this guide, I will break down the exact differences between IP66 and IP67 in plain English, using real examples from our fabrication floor. I will show you

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Frank August 11, 2026
Precision CNC machined stainless steel components
Frank

Stainless Steel Passivation Explained: A Factory-Floor Guide by ShincoFab

Stainless steel passivation is a non-electrolytic chemical treatment that removes free iron deposits from the surface of machined parts to prevent rust. While stainless steel is tough, it isn’t naturally rust-proof right out of the machine. If you don’t apply this specific acid treatment, your expensive parts run a high risk of premature corrosion. In

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Frank August 8, 2026
Custom precision sheet metal plate and bracket
Frank

Nearshoring Precision Sheet Metal: A Strategic Guide for US Buyers

Relying on a single factory across the ocean is no longer a strategy. It is a massive risk. At ShincoFab, we have spent years helping companies fix broken supply chains and move their metal fabrication closer to home. On our factory floors, we have seen firsthand what works and what fails when moving production across

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Frank August 7, 2026
Welder uses TIG torch for detailed aluminum welding
Frank

How to Weld Aluminum: A Fabrication Expert’s Step-by-Step Guide

You want to weld aluminum, but you have probably heard it is a nightmare. People say it burns easily, warps fast, and makes weak joints. As a lead fabrication engineer here at ShincoFab, I oversee the welding of thousands of custom aluminum enclosures, brackets, and structural parts every year. I have both made and fixed

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Frank August 5, 2026
Worker rough grinding steel with an angle grinder
Frank

The 4-Step Weld Finishing Process (And How to Avoid Common Mistakes)

In my years managing the production floor at ShincoFab, our team has ground down thousands of welds across everything from heavy industrial chassis to delicate custom enclosures. I have seen the good, the bad, and the completely ruined when inspecting parts that come through our quality control (QC) bays. I know what it takes to

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Frank August 3, 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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  • Building 1, No.8, Second Street, Huangjiang Town, Dongguan City, Guangdong Province
  • Whatsapp: +86 13392819510
  • [email protected]

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Ready to start your sheet metal project? Contact the ShincoFab team to discuss your custom fabrication requirements. We support you through design, manufacturing, and delivery—at every stage.

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