NDL Industries is a trusted manufacturer of HVAC-R, CO₂ Refrigeration, and Hydronics components, delivering certified, high-quality products since 1987. From ACR copper fittings with no reported failures since 1999 to advanced CO₂ valves and fittings, every product is engineered for reliability and performance. With distribution centers in North America and Europe, NDL provides fast, dependable service to wholesalers and OEMs worldwide, keeping systems efficient and projects on track.