Zhejiang Rock Auto Co., Ltd. is not merely a manufacturer; we are an engineering partner. With over 15 years of industry experience, we have pioneered the transition from traditional internal combustion engine cooling components to advanced thermal management for Electric Vehicles (EVs) and heavy industry applications. Our ISO/TS 16949 certification underscores our commitment to the stringent quality requirements of the global automotive supply chain.
Our R&D unit serves as the backbone of our operations. By conducting detailed surveys and failure analysis on cooling systems, we optimize fin geometry, tube wall thickness, and brazing alloy compositions. This ensures our products achieve superior heat dissipation efficiency while maintaining structural integrity under extreme thermal cycling.
The automotive industry is shifting rapidly toward EV thermal management. Unlike traditional ICE vehicles, EVs require battery cooling, power electronics cooling, and cabin climate control. Our roadmap focuses on micro-channel cooling technology and high-efficiency brazed aluminum manifolds, reducing weight and increasing thermal surface area by 30% compared to legacy designs.
As global procurement teams demand more transparency, we have implemented Industry 4.0 standards. Our facility utilizes automated brazing furnaces, precision fin machines, and integrated IoT sensors to monitor production metrics in real-time. This "Smart Factory" approach ensures that whether you are purchasing high-frequency welded tubes or complex oil cooler cores, the quality consistency is absolute.
Navigating global compliance standards (RoHS, REACH, IATF 16949) is a significant challenge for importers. We act as a local expert, ensuring all documentation, material certifications, and stress-test reports are provided proactively. We are more than an exporter; we are your local office in China, ensuring that regulatory hurdles never disrupt your production line.
We employ multi-stage quality control. From raw material spectrum analysis to post-brazing leak testing and burst pressure testing, every batch is scrutinized against international OEM standards.
Yes. Our engineering team specializes in custom die design and thermal simulation. We work with clients to develop water-cooling cold plates and high-frequency welded tubes tailored to specific battery module layouts.
For standard components, we maintain ready stock. For custom OEM projects, the cycle typically involves design (1-2 weeks), prototyping (2-3 weeks), and mass production validation, ensuring high-speed time-to-market.
Rock Auto
