Building Trust with
Every Connection
#MCJ is a leading manufacturer of copper fittings, known for quality and reliability. We are committed to providing exceptional products that meet the highest industry standards.
Our Vision
To be the global leader in copper solutions, renowned for quality and reliability.
Our Mission
To enhance the HVAC industry with superior copper products, driven by excellence and sustainability.
From Industry Leaders to Global Research Institutions
Trusted by over 15,000 satisfied customers worldwide
“#MCJ offers the perfect combination of quality and customer support.”
Rajiv S
Industrial Engineer
“We rely heavily on copper joints for our systems, and #MCJ has never let us down. Their products enhance the performance of our equipment.”
Lucy T
Operations Manager
“We’ve been using #MCJ copper joints for years, and their quality has always exceeded our expectations.”
John P
HVAC Contractor
Learn more about our products
Global Reach
Certificates
We Use Top-grade
Copper Raw Material
Brazing Alloy With
2% Silver Content
Available in XLPE & Nitrile Insulation Options
Compatible With
R410 Refrigerant
CSR Activities
We believe in giving back to the community through initiatives that focus on empowering, promoting, and supporting local efforts. Through our various projects, we aim to create a positive impact, ensuring that our growth contributes to the well-being of both society and the planet.