As the economic heart of Indonesia, Jakarta—specifically the Greater Jakarta area (Jabodetabek)—has evolved into Southeast Asia’s most critical hub for automotive manufacturing and assembly. With major industrial estates in Cikarang, Karawang, and Bekasi, the demand for high-quality Heater Core Aluminum Tubing has reached unprecedented levels. As a leading manufacturer and exporter, we understand that Jakarta’s tropical climate and heavy traffic conditions place extreme stress on vehicle cooling systems.
Our aluminum tubing solutions are designed to withstand the high-humidity and high-temperature environments of Indonesia. Whether it is for the passenger car segment or the growing heavy-duty commercial vehicle sector in the Port of Tanjung Priok, our products ensure optimal thermal exchange efficiency.
Years of Expertise
Global Clients
16949 Certified
Quality Inspected
The Indonesian automotive industry is currently undergoing a massive transformation, driven by the government's push for Electric Vehicles (EVs). Heater cores in EVs require even more precise aluminum tubing to manage battery temperatures and cabin heating without draining excessive energy.
Established in 2007, Zhejiang Rock Auto Co., Ltd. has been a leading manufacturer, exporter, and supplier of high-performance auto cooling system components. We specialize in producing a wide range of automotive cooling solutions, including radiator tubes, intercooler tubes, oil cooler tubes, as well as radiators, intercoolers, and oil coolers.
With more than 15 years of industry experience, Zhejiang Rock Auto has earned a reputation as a pioneer in the design and manufacturing of aluminum-based cooling products. We are committed to providing high-quality, cost-effective, and innovative solutions that meet the rigorous demands of our global customers. Our products are widely used in automobile, heavy industry, shipbuilding, sugar processing, packaging, navigation, molds, and other specialized applications.
Our R&D unit is the cornerstone of our business, conducting detailed research and surveys to improve the performance and durability of our products. This commitment to innovation allows us to design new products with superior functionality, tailored to the specific needs of our clients.
We are proud to be ISO/TS 16949 certified, and our state-of-the-art manufacturing facility is equipped with advanced technologies, including Brazing Furnaces, Fin Machines, and Core Assembly Machines.
For Jakarta-based exporters shipping components to Australia, Japan, or the Middle East, the quality of aluminum tubing is non-negotiable. We employ High-Frequency Induction Welding and Precision Cold Drawing to ensure that every tube used in a heater core has zero leakage risk.
Our Heater Core Aluminum Tubing is not just limited to cars; it serves a diverse range of Indonesian industries:
Corrosion-resistant tubing for marine engines operating in the Java Sea and Tanjung Priok ports.
Heavy-duty cooling for palm oil processing machinery and sugar refineries in Sumatra and Java.
Supplying the booming Jakarta construction sector with high-efficiency heat exchanger tubes for commercial AC units.
Our Mission: To deliver high-quality and cost-effective cooling solutions that not only meet but exceed customer expectations, while fostering a culture of innovation and sustainability.
Our Vision: To be a global leader in the auto parts industry, recognized for our advanced technologies, outstanding customer service, and environmental stewardship.
Our Values:
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Rock Auto
