News & Updates from MJM Manufacturing
MJM News
Equipment investments, certifications, milestones, and practical guides for engineers and buyers — from Miami Gardens’ premier precision sheet metal fabrication facility.
5205 NW 161 Street, Miami Gardens, FL 33014 | (305) 620-2020 | sales@mjmmfg.com | AS9100 Certified | ITAR Registered | DBE Certified
Reshoring · October 2026
7 Signs a Sheet Metal Part Is a Good Candidate for Reshoring
Long lead times, big minimums, safety stock and bad lots. How to tell which overseas part should come back first, and why you only need to start with one.
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Quoting · October 2026
What to Send for an Accurate Sheet Metal Quote
The files and the six or seven facts that let an estimator quote your actual part in 24 to 48 hours, instead of padding the price around what is missing.
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Milestone · September 2026
Today MJM Turns 47 — Forty-Seven Years, One Family, One Roof
From a single bay in 1979 to 650+ active customers in a 44,000 sq ft plant, with 8,500 more going up. Forty-plus machines, eighty-plus people, and everything from raw sheet to finished, inspected parts under one roof.
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Welding · September 2026
Fiber Laser Welding: The Welds You Don’t Have to Grind
Up to four times faster than TIG, almost no heat distortion, and beads clean enough that many customers skip grinding entirely.
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Laser Cutting · August 2026
Laser Cutting Materials and Thickness: What Our Five Amada Lasers Cut
Four fiber lasers and a CO2, every material and thickness we run, why the assist gas matters, and how to send a file that cuts fast.
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Quality & Inspection · August 2026
Sheet Metal Inspection: How We Know a Part Is Right Before It Ships
Two QA inspectors and eighty trained operators, laser-cut profile gauges, 3D printed check fixtures, and five measurement systems — inside our quality department.
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Estimating & Cost · August 2026
What Actually Drives Sheet Metal Part Cost
Material yield, setup time, bend count, tolerances, hardware and finishing — a fabricator opens up the quote and shows where the money actually goes.
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Materials & Design · July 2026
5052 vs. 6061 Aluminum: Which Alloy Should You Choose?
A practical engineer’s comparison — strength, bendability, welding, corrosion, machining, finish and cost — with a clear verdict on which alloy fits your part.
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Award · Craftsmanship · March 2026
MJM Wins a Technical Encouragement Award at Amada’s 38th Precision Sheet Metal Technology Fair
On our first-ever entry, MJM earned an international award from Amada for a full-size aluminum guitar with a hand-worked spun finish — fabricated entirely in-house.
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Finishing & Material Selection · July 2026
Powder Coat vs. Anodize vs. Plating: Choosing the Right Finish for Your Sheet Metal Part
A practical guide to the three most common metal finishes — what each does, which materials they suit, and how to choose by corrosion, conductivity, appearance, and cost.
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Sourcing & Supplier Selection · July 2026
How to Choose a Sheet Metal Fabrication Supplier: A Buyer’s Checklist
Eight things that separate a supplier you can build a program around from one you’ll replace in six months — capabilities, certifications, capacity, quality, traceability, and total landed cost.
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Design & Sourcing · July 2026
Sheet Metal Design for Manufacturability: 7 Ways to Reduce Cost Before You Send an RFQ
The design decisions that quietly drive up cost — over-tolerancing, hole placement, material, finish, and more — and how to fix them before a drawing reaches a supplier.
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Laser Cutting & Manufacturing Technology · June 2026
Why Nitrogen Purity Matters in Precision Laser Cutting
One of the biggest factors in laser-cut quality goes unnoticed: nitrogen assist-gas purity. How our system, generating up to 99.9999%, delivers cleaner edges and better parts.
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Sourcing & Cost · June 2026
Freight Isn’t the Whole Story: Understanding Total Landed Cost in Sheet Metal Fabrication
Why judging a supplier by distance can cost you more — and how labor, capacity, and Florida’s cost base often outweigh freight on the all-in landed cost of your parts.
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Equipment Investment · May 2026
MJM Expands to Five Amada Laser Cutting Systems — One of the Largest Laser Fleets in South Florida
Four fiber lasers and one CO2 system, backed by nitrogen generation — giving MJM the capacity to run high-volume orders with short lead times across every material.
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Certification · Quality · Defense
MJM Holds AWS D17.1 Aerospace Welding Certification with Lockheed Martin Program Approval
One of the most demanding welding qualifications in aerospace — and a credential very few U.S. sheet metal fabricators can claim. Inside MJM’s welding certifications.
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Equipment Investment · Quality · Inspection
MJM Adds Amada Fabri-Vision Automated Optical Inspection System
A 24-camera optical inspection system that scans an entire part against CAD in minutes — expanding MJM’s FAI and in-process quality documentation capability.
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Ready to Work With MJM?
47 years of precision. 80+ employees. 44,000 sq ft. Get a quote within 24–48 hours at sales@mjmmfg.com.
MJM Manufacturing, Inc. | AS9100 Certified | ISO 9001 Certified | ITAR Registered | DBE Certified | AWS D17.1 Aerospace Welding | Lloyd’s Register LR 33932 | 5205 NW 161 Street, Miami Gardens, FL 33014 | (305) 620-2020