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
Laser Cutting · August 2026
Five Amada Lasers: What We Cut, How Thick, and How Fast
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
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 the Price of a Sheet Metal Part
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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Milestone · Company History · Made in USA
MJM Manufacturing Celebrates 47 Years of American Manufacturing in Miami Gardens, Florida
From a two-car garage in 1979 to a 44,000 sq ft facility with 80+ employees — 47 years of keeping “Made in USA” alive for the world’s most demanding programs.
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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