Built to Endure. Radiator Manufacturer in Pakistan

Pakistan Engineering Industry is a leading manufacturer of copper-brass radiator cores and assemblies, serving OEMs and industrial clients across the world.

About Us

Learn More About Us

At Pakistan Engineering Industry, precision, reliability, and innovation define everything we do. As an ISO 9001:2015 certified manufacturer, we deliver engine cooling solutions that meet the exacting demands of automotive, agricultural, and industrial machinery. Our mission is to provide long-lasting, high-performance radiator systems that empower industries to operate efficiently.

Pakistan Engineering Industry envisions to become a global leading and most trusted radiator manufacturer, recognized regionally and globally for engineering innovation, uncompromised quality, and long-term customer partnerships.

PRODUCTS

Quality Radiators

Explore our diverse range of cooling products crafted with precision and innovation, offering superior quality materials to meet the unique needs of various industries and applications. With a solid grip on customised manufacturing we tailor to the most diverse clients across the world

Radiator Cores

10 Product Variants

Radiator Assemblies

20 Product Variants

Manufacturing Process

Award-Winning Excellence

Our radiator manufacturing factory is renowned for its superior quality & innovative designs within the auto parts industry.

Raw Material

We source high-grade copper and brass sheets, tubes, and solder wire from certified suppliers. Before production begins, all materials undergo SGS-certified chemical composition testing to verify purity, conductivity, and mechanical strength ensuring consistent performance and compliance with international standards.

Fin and Tube Formation

The manufacturing process starts with forming the heat exchange components. Copper fins are produced using fin-forming machines in zigzag or flat fin designs, depending on the application. Brass tubes are drawn, straightened, and cut to specific lengths which become the thermal backbone of the radiator

Core Assembly

Fins and tubes are precisely assembled into cores using jigs and fixtures that maintain uniform spacing and alignment. Tubes are inserted through fin collars for maximum contact. Side supports and headers are attached to maintain core rigidity. The assembled core is then prepared for soldering.

Soldering & Brazing

The core assembly is dipped or sprayed with flux, then passed through a temperature-controlled soldering furnace or tank. The solder bonds the copper fins and brass tubes, creating a leak-proof and thermally efficient structure. After cooling, the core is cleaned to remove flux residues and surface impurities.

Tank and Frame Assembly

Once the core is complete, brass or plastic tanks are mounted on both ends. Inlet, outlet, and mounting frames are fitted according to OEM or client specifications. Assemblies are sealed and mechanically reinforced to ensure durability under vibration and thermal stress.

Quality Assurance (QA)

Each radiator undergoes rigorous leak and pressure testing to verify structural integrity and performance under operating conditions. After successful testing, the radiator is painted or powder-coated for corrosion resistance. Final visual and dimensional inspections ensure it meets PEI’s quality standards and client specifications before dispatch.