Your Heat Exchanger Manufacturer in China
Zantherm firmly believes that only high-quality products and reliable services can sustain long-term partnerships with our customers, and this principle has been the key to our steady growth. Zantherm located in Jiangning Development Zone, Nanjing, China, has grown since 2014 from a small workshop into an over 10,000㎡ heat exchanger production base.
We specialize in tailored solutions for a wide range of heat exchangers and components, including pillow plates, plate-fin, and microchannel heat exchangers, liquid cooling plates,as well as condensers, evaporators, radiators and oil coolers and more.
Zantherm has a professional engineering team focusing on evaluation, design, and development, supported by dependable production and assembly capabilities. This combination enables us to provide flexible customization based on customer drawings and project requirements.
Our team delivers customized solutions for industries including mechanical machinery, agricultural machinery, data centers, energy storage, HVAC and refrigeration, oil and gas, food and beverage, chemical processing, and more.
Meet Frances Cai
Founder of Zantherm
With over a decade of hands-on experience in thermal management manufacturing, Frances Cai has helped foster long-lasting collaborations with global industrial customers through her commitment to quality, reliability, honesty and a perpetual drive for improvement.
Under her leadership, Zantherm was established as Metalli’s dedicated heat transfer brand, focusing on custom heat exchanger solutions for global industrial applications.
Her business philosophy is simple:
Trust is earned through consistent execution — not promises.


Tailored To Your Need
Zantherm is a customization specialist in the heat exchange field. For over 12 years, we have delivered heat exchangers tailored to client specifications for customized projects involving diverse fluids, structures, materials, and operating conditions, ensuring successful project completion. Customization also involves utilizing partial components; in some cases, clients provide the shell while we supply the core heat exchanger components.
Reliable Manufacturing Capabilities
Zantherm owns advanced processes and equipment in heat exchanger manufacturing, enabling us to execute critical operations such as vacuum brazing, friction stir welding, precision stamping, blow forming, and fin forming, complemented by comprehensive surface treatment and inspection procedures.
Our comprehensive fin production, tube forming and processing, welding and brazing technologies, coupled with high-standard surface treatments, ensure product performance and reliability.
Additionally, we offer flexible packaging solutions tailored to customers’ structural requirements, guaranteeing product safety and ease of handling during transportation and installation.


Strict Quality Control
Zantherm maintains a dedicated team of quality engineers specializing in heat exchangers. We utilize diverse inspection equipment and tools to ensure your requirements are met. Our team conducts daily quality inspections at the factory for every project, from material selection, production, and through to the finished product. All our taiored heat exchangers are fully-tested before delivery.
Authorized Certifications
Zantherm’s rigorous quality inspection system has achieved ISO 9001 certification, systematically ensuring product quality and traceability. We fully recognize the importance of sustainable development. We standardize our production processes to minimize environmental impact and have obtained ISO 14001 Environmental Management System certification. Additionally, our ISO 45001 Occupational Health and Safety Management System certification signifies our commitment to safeguarding employee health and safety during production, enabling stable order fulfillment.

Zantherm Exhibition
Zantherm has actively participated in exhibitions both domestically and internationally. In 2026, we will be attending the CHILLVENTA trade show in Nuremberg, Germany. Zantherm looks forward to connecting with you!
Our experienced team participated in CIME Shanghai, showcasing the durability of our heat exchangers in demanding chemical and process industries. We successfully connected with numerous engineers seeking robust and efficient heat transfer solutions.
We were honored to participate in FABTECH Mexico, the premier event in metal forming and welding. We presented advanced liquid-cooled plate solutions for industrial machinery and laser equipment. This deepened Zantherm’s OEM services and strengthened connections with industry partners across North America.





