Introduction to Tunnel Brazing Process
Tunnel brazing is a highly efficient and precise manufacturing process used in various industries, especially in the production of heat exchangers, automotive components, and electronic parts. In this process, workpieces are passed through a tunnel - shaped furnace. The furnace is divided into different zones, including pre - heating, brazing, and cooling zones.
During pre - heating, the workpieces are gradually heated to a suitable temperature to ensure uniform brazing. In the brazing zone, a filler metal is melted and flows into the joints between the workpieces, creating a strong and reliable bond. Finally, in the cooling zone, the brazed parts are cooled down at a controlled rate to prevent thermal stress and ensure the quality of the brazed joints. Tunnel brazing offers several advantages, such as high productivity, consistent quality, and the ability to handle large - scale production.
Top 10 Manufacturers
1. Dongguan Yuanyang Thermal Technology Co., Ltd.
Dongguan Yuanyang Thermal Technology Co., Ltd. is a leading enterprise in the field of thermal technology. The company is committed to providing high - quality thermal solutions, including tunnel brazing process equipment. With advanced manufacturing technology and a professional R & D team, Yuanyang Thermal Technology can customize tunnel brazing furnaces according to the specific needs of customers.
The company's tunnel brazing furnaces feature high - precision temperature control systems, which can ensure the stability of the brazing process and the quality of the brazed products. The furnaces are also designed with energy - saving features, reducing production costs for customers. In addition, Yuanyang Thermal Technology provides excellent after - sales service, including installation, debugging, and maintenance of the equipment.
Website: https://www.alithermal.com/
2. Nanjing Huade Electric Furnace Co., Ltd.
Nanjing Huade Electric Furnace Co., Ltd. has a long - standing history in the field of electric furnace manufacturing. The company has a complete set of production and testing equipment, and a team of experienced engineers and technicians.
In terms of tunnel brazing process, Nanjing Huade Electric Furnace Co., Ltd. has developed advanced tunnel brazing furnaces. These furnaces are equipped with intelligent control systems that can accurately monitor and adjust various parameters during the brazing process, such as temperature, gas flow, and conveyor speed. The company's tunnel brazing furnaces are widely used in the automotive, aerospace, and home appliance industries.
One of the advantages of Nanjing Huade Electric Furnace Co., Ltd. is its strong R & D ability. The company continuously invests in research and development to improve the performance and quality of its products. It also has a strict quality control system, ensuring that each furnace meets high - quality standards before leaving the factory. Moreover, the company has a wide sales network, providing timely and efficient service to customers at home and abroad.
3. Shanghai Yanbang Industrial Furnace Co., Ltd.
Shanghai Yanbang Industrial Furnace Co., Ltd. is a well - known manufacturer of industrial furnaces. The company focuses on technological innovation and product quality improvement.
For the tunnel brazing process, Shanghai Yanbang Industrial Furnace Co., Ltd. offers tunnel brazing furnaces with advanced design. The furnaces have a modular structure, which is convenient for installation, maintenance, and expansion. The company uses high - quality materials in the manufacturing of the furnaces, ensuring their long - term reliability and durability.
The company's tunnel brazing furnaces are characterized by their high - efficiency heating systems. They can quickly heat the workpieces to the required brazing temperature, improving production efficiency. In addition, Shanghai Yanbang Industrial Furnace Co., Ltd. provides comprehensive technical support and training to customers, helping them to better operate and maintain the equipment. The company also has a good reputation for its after - sales service, which can solve customers' problems in a timely manner.
4. Wuxi Huaxing Electric Furnace Co., Ltd.
Wuxi Huaxing Electric Furnace Co., Ltd. is a professional manufacturer of electric furnaces. The company has rich experience in the design and production of tunnel brazing furnaces.
The tunnel brazing furnaces produced by Wuxi Huaxing Electric Furnace Co., Ltd. are designed with a high - precision temperature control system. This system can ensure that the temperature in each zone of the furnace is accurately controlled, resulting in high - quality brazed joints. The furnaces also have a good sealing performance, which can prevent the leakage of protective gas and ensure the stability of the brazing process.
One of the key advantages of Wuxi Huaxing Electric Furnace Co., Ltd. is its cost - effective products. The company can provide high - quality tunnel brazing furnaces at a reasonable price, which is very attractive to customers. In addition, the company has a fast - response after - sales service team. They can quickly arrive at the customer's site to solve any problems that occur during the operation of the equipment.
5. Changzhou Hongda Furnace Manufacturing Co., Ltd.
Changzhou Hongda Furnace Manufacturing Co., Ltd. is a specialized enterprise in the production of industrial furnaces. The company has a modern production base and advanced manufacturing technology.
In the tunnel brazing process, Changzhou Hongda Furnace Manufacturing Co., Ltd. has developed tunnel brazing furnaces with unique features. The furnaces are equipped with a special gas distribution system, which can ensure the uniform distribution of protective gas in the furnace, improving the quality of the brazed products. The company also pays attention to the environmental protection performance of its products. The tunnel brazing furnaces it produces have low energy consumption and low emissions.
The company's advantage lies in its strong production capacity. It can produce a large number of tunnel brazing furnaces in a short time to meet the market demand. Changzhou Hongda Furnace Manufacturing Co., Ltd. also has a good cooperation relationship with many domestic and foreign research institutions, which helps it to keep up with the latest technological trends and continuously improve its product performance.
6. Shenyang Xinyang Industrial Furnace Co., Ltd.
Shenyang Xinyang Industrial Furnace Co., Ltd. is a well - established manufacturer in the industrial furnace industry. The company has a professional R & D team and a complete production process.
For the tunnel brazing process, Shenyang Xinyang Industrial Furnace Co., Ltd. offers tunnel brazing furnaces with high - end technology. The furnaces are designed with a flexible conveyor system, which can adjust the speed and direction according to the production requirements. This flexibility allows the company to adapt to different types of workpieces and production processes.
The company's tunnel brazing furnaces also have a high - level automation control system. This system can realize the automatic operation of the furnace, reducing the labor intensity of workers and improving production efficiency. Shenyang Xinyang Industrial Furnace Co., Ltd. also provides long - term technical support to customers, helping them to upgrade and optimize the equipment during the use process.
7. Hangzhou Jufeng Industrial Furnace Co., Ltd.
Hangzhou Jufeng Industrial Furnace Co., Ltd. is a company that focuses on the research, development, and production of industrial furnaces. The company has a strong sense of innovation and a high - quality management team.
In the field of tunnel brazing process, Hangzhou Jufeng Industrial Furnace Co., Ltd. has developed tunnel brazing furnaces with excellent performance. The furnaces are equipped with a high - efficiency heat recovery system, which can recover the waste heat generated during the brazing process and reuse it, reducing energy consumption. The company also uses advanced simulation technology in the design of the furnaces, ensuring the rationality of the furnace structure and the uniformity of temperature distribution.
One of the advantages of Hangzhou Jufeng Industrial Furnace Co., Ltd. is its customer - oriented service concept. The company can provide customized solutions according to the specific needs of customers, from the design of the furnace to the after - sales service. The company also has a good brand image in the market, which is recognized by many customers.
8. Tianjin Zhonghuan Furnace Co., Ltd.
Tianjin Zhonghuan Furnace Co., Ltd. is a professional manufacturer of industrial furnaces. The company has a long - term focus on technological innovation and product quality improvement.
The tunnel brazing furnaces produced by Tianjin Zhonghuan Furnace Co., Ltd. are characterized by their high - reliability components. The company selects high - quality electrical components, heating elements, and sensors for the furnaces, ensuring their stable operation. The furnaces also have a user - friendly operation interface, which is easy for workers to operate and monitor.
The company's advantage lies in its continuous improvement of product performance. Tianjin Zhonghuan Furnace Co., Ltd. regularly conducts product upgrades and optimizations based on customer feedback and technological development. It also has a professional after - sales service team that can provide comprehensive training and technical support to customers.
9. Qingdao Huayang Industrial Furnace Co., Ltd.
Qingdao Huayang Industrial Furnace Co., Ltd. is an enterprise with rich experience in the production of industrial furnaces. The company has a complete set of quality management systems and a strong R & D ability.
In the tunnel brazing process, Qingdao Huayang Industrial Furnace Co., Ltd. offers tunnel brazing furnaces with advanced design concepts. The furnaces are designed to be energy - saving and environmentally friendly. They use advanced insulation materials to reduce heat loss and improve energy efficiency. The company also pays attention to the safety performance of the furnaces, equipping them with multiple safety protection devices.
The company's advantage is its ability to provide comprehensive solutions. Qingdao Huayang Industrial Furnace Co., Ltd. not only provides tunnel brazing furnaces but also offers related auxiliary equipment and technical services. It can help customers to establish a complete production line, from the selection of raw materials to the final product inspection.
10. Chengdu Hongsheng Electric Furnace Co., Ltd.
Chengdu Hongsheng Electric Furnace Co., Ltd. is a manufacturer of electric furnaces in the southwest region of China. The company has a good reputation in the local market and is gradually expanding its influence nationwide.
The tunnel brazing furnaces produced by Chengdu Hongsheng Electric Furnace Co., Ltd. are designed with a simple and practical structure. The furnaces are easy to install and operate, which is suitable for small and medium - sized enterprises. The company also provides cost - effective products, which can meet the budget requirements of different customers.
One of the advantages of Chengdu Hongsheng Electric Furnace Co., Ltd. is its good geographical location. It can quickly respond to the needs of customers in the southwest region. The company also has a local service team that can provide on - site service to customers in a timely manner.
Conclusion
The above - mentioned 10 manufacturers are the top players in the field of tunnel brazing process in China in 2025. Each of them has its own unique features and advantages. Some companies are strong in R & D and technological innovation, such as Nanjing Huade Electric Furnace Co., Ltd. and Shanghai Yanbang Industrial Furnace Co., Ltd., which can continuously introduce advanced products to the market. Others are known for their cost - effectiveness and excellent after - sales service, like Wuxi Huaxing Electric Furnace Co., Ltd. and Chengdu Hongsheng Electric Furnace Co., Ltd.
These manufacturers play an important role in promoting the development of the tunnel brazing process in China. They not only meet the domestic market demand but also have the potential to expand their business overseas. With the continuous progress of technology and the increasing demand for high - quality brazed products, these companies are expected to achieve greater development in the future.