Industry-standard cooling and structural solutions for modern automotive assembly.
The global automotive industry is undergoing a seismic shift. As the world transitions from Internal Combustion Engines (ICE) to Electric Vehicles (EV) and Hydrogen Fuel Cell technology, the demand for high-performance Custom OEM Automotive Molded Rubber Parts has never been higher. Today, the market for these components is projected to exceed USD 45 billion by 2030, driven by the need for advanced thermal management, vibration dampening, and fluid transport systems.
In Europe and North America, strict environmental regulations (such as Euro 7) are forcing manufacturers to seek rubber parts that offer better sealing and chemical resistance. Meanwhile, in emerging markets, the focus is on durability and cost-efficiency. As a leading manufacturer, we bridge these needs by providing specialized components that withstand extreme temperatures ranging from -40°C to +250°C.
Staying ahead of the technological curve in molded rubber manufacturing.
Utilization of Fluoroelastomers (FKM) and Silicone composites to handle aggressive modern coolants and high-pressure environments in hybrid powertrains.
Leveraging AI-driven mold flow analysis to predict material behavior, ensuring zero-defect manufacturing for complex geometric rubber parts.
Integration of bio-based rubber and recyclable elastomers to support the "Green Supply Chain" initiatives of global automotive OEMs.
Procuring Custom Automotive Molded Rubber Parts from China is no longer just about cost—it's about the speed of innovation and supply chain integration. At Zhejiang Rock Auto Co., Ltd., we offer:
Years Experience
Certified Quality
Global Export Countries
Technical Support
A legacy of innovation since 2007.
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.
At Zhejiang Rock Auto, we pride ourselves on our dedication to excellence and client satisfaction. We approach every project with a well-defined strategy, from initial design to final production, ensuring that our customers receive only the best in terms of quality and performance. Our team continuously works to enhance the efficiency of our products, driven by extensive research and development (R&D) efforts.
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.
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.
To be a global leader in the auto parts industry, recognized for our advanced technologies, outstanding customer service, and environmental stewardship.
Innovation, Integrity, Sustainability, and Maximum Customer Satisfaction at every touchpoint.
Providing custom solutions for diverse industrial environments.
Radiator hoses, turbocharger connectors, and engine mount seals designed for quiet operation and long-term heat resistance.
Heavy-duty intercooler tubes and hydraulic gaskets used in construction machinery and agricultural tractors operating in dusty, high-stress environments.
Battery thermal management system (BTMS) components and coolant distribution manifolds for efficient EV battery temperature control.
Salt-water resistant rubber tubes and specialized cooling components for maritime engines and navigation equipment.
Precision-engineered aluminum tubing and silicone connectors for lightweight, high-reliability robotics and aerospace cooling.
Cooling plates and rubber seals for large-scale energy storage systems (ESS), ensuring safety and thermal stability.
Complete range of radiator kits, aluminum tubing, and precision dies.
Partner with China's leading OEM manufacturer for precision rubber and aluminum components.
Rock Auto
