
About Us
Zhejiang Changxing Qingfeng Electric Furnace Co., Ltd., formerly known as Changxing Dafeng Electric Furnace Factory, is a professional enterprise specializing in the design, manufacturing, sales, and import and export of industrial furnaces and heat treatment equipment. The company was officially registered on June 9, 2014, with a registered capital of 10 million RMB. Its legal representative is Ji Mingmin, and its headquarters are located in the Linzhen Industrial Park of Changxing County, Huzhou City, Zhejiang Province, a core area of the Yangtze River Delta economic circle, enjoying a superior geographical location and convenient transportation.
one-stop solution
professional team
high quality
After nearly twenty years of dedicated development, the company has grown from an early professional electric furnace processing institution into one of the leading enterprises in the industrial furnace manufacturing field in East China, known for its scale and comprehensive strength. In April 2018, the company expanded its business scope to include the import and export of goods and technology, opening a new chapter in cross-border trade. In September 2022, it completed an equity transfer, becoming a wholly-owned enterprise by a natural person, further improving the efficiency of business decision-making. The company consistently adheres to the philosophy of "integrity management and technological empowerment," collaborating closely with research institutions such as Zhejiang University, Nanjing University, and the Shanghai Institute of Mechanical Engineering, and establishing the Dafeng Industrial Furnace Research Institute in Changxing County, Zhejiang Province, to build an integrated "production, education, and research" development model and continuously promote technological innovation and product iteration.
The company's factory is located at No. 306, Wushangang, Linzhen Town, Changxing County, 1.5 kilometers from National Highway 318 and 5 kilometers from the Changxing West exit of the G50 Expressway. Its excellent transportation network provides great convenience for raw material procurement and finished product transportation. The factory covers a total building area of over 5,000 square meters, with fixed assets exceeding 20 million RMB. The layout is scientifically and rationally designed, including a core production workshop, R&D laboratory, standardized warehousing area, office area, and supporting facilities, enabling a closed-loop operation of production, research and development, and warehousing.
The factory is equipped with a professional production team and senior and intermediate technical personnel, implementing refined management and standardized operating procedures. It can simultaneously manufacture multiple types of industrial furnaces, possessing both large-scale and customized production capabilities. With advanced production concepts, a standardized management system, and sufficient production capacity, the factory can not only meet the bulk order demands of the domestic market but also efficiently respond to the customized needs of overseas customers, providing a solid guarantee for product quality and delivery efficiency.
Our Product
The company has been deeply involved in the industrial electric furnace field for many years, developing ten major series and over one hundred products, covering standard models and non-standard customized solutions, which can fully meet the heat treatment needs of different industries. Core products include:





Among them, the mesh belt resistance furnace can achieve integrated carburizing, quenching, bright annealing, sintering, cleaning, and tempering operations, and the tilting trolley furnace has the function of rapid high-temperature tilting into the tank, demonstrating significant technological advantages.
Product Application
Our company's products, thanks to their stable performance, precise temperature control, and wide applicability, are extensively used in various industrial fields. Core applications include:
Mold and Forging Industry
Used for quenching, annealing, and tempering of mold materials, as well as heating and subsequent heat treatment of forgings, serving numerous large mold and forging plants;
01
Automotive and Machinery Manufacturing Industry
Suitable for heat treatment of automotive parts, transmission chains, bearings, hardware parts, etc., supporting specialized treatment needs for large machine components;
02
Metallurgy and Alloy Processing Industry
Covering metal material melting, tempering, performance optimization, and specialized treatment of materials such as aluminum alloys, stainless steel, and copper;
03
High-End Manufacturing Field
Our horizontal vacuum furnace series can be applied in the aerospace and semiconductor fields, enabling oxidation-free quenching and annealing processes for steel, alloys, ceramics, and other materials;
04
Scientific Research and Other Fields
Providing customized heat treatment equipment for industrial and mining enterprises and research institutions, adapting to special processes such as powder metallurgy product sintering and electronic product pre-sintering.
05
Our Certificate
The company adheres to compliant operations and strict quality control, accumulating numerous authoritative qualifications and honors, including:
Quality System Certification: Obtained ISO9001:2000 quality management system certification, establishing a complete and scientific quality control system covering the entire process of product design, production, and delivery;
Industry Association Qualifications: Member of the Zhejiang Provincial Heat Treatment Society, member of the Shanghai Heat Treatment Association, and member of the Shanghai Forging Association;
Company Honors: Recipient of multiple awards as a trustworthy private enterprise and a company that honors contracts and maintains credibility in Changxing, gaining industry recognition for its integrity and product quality;
Business Qualifications: Possesses general VAT taxpayer status and import and export rights for goods and technology, with three registered trademarks, enabling legitimate cross-border trade and brand operations.














Production Equipment
The factory is equipped with a full range of high-precision production, processing, and testing equipment, providing robust support for product quality and production efficiency. Key equipment includes:




Production Market
The company has established a sales network covering all of China and extending to overseas markets, achieving steady performance growth and continuous improvement in market recognition:

Domestic Market: Our products are sold throughout all provinces and cities in China, holding a leading market share in the East China region. We serve numerous well-known enterprises, with typical examples including providing 5 sets of large-scale all-fiber bogie furnaces, quenching furnaces, and annealing furnaces to a forging plant in Zhejiang, supplying 10 pit-type carburizing furnaces and mesh belt tempering furnaces to a mold factory in Hong Kong, and providing 8 natural gas bogie furnaces to a metal casting plant in Shanghai. Our clients cover various fields including molds, forging, and metal processing;
Overseas Market: Leveraging our import and export rights, our products are exported to Southeast Asia, Europe, and other regions. We have gained the trust of overseas customers through reliable quality and customized services;
Industry Position: As a leading industrial furnace manufacturing enterprise in the East China region in terms of production scale and capacity, the company's annual production capacity can meet the needs of various orders, accumulating a large number of long-term repeat customers and establishing a good industry reputation.
Our Service
The company has established a comprehensive, standardized service system, centered on "customer satisfaction," providing one-stop technical and service support to create a worry-free cooperation experience:

Pre-sales Service
A professional technical team provides one-on-one consulting services, designing customized equipment solutions based on the customer's production process and workpiece requirements, and providing detailed technical solution specifications; leveraging collaborative resources with research institutions, we provide customers with process optimization suggestions to help them improve production efficiency and product quality.
In-sales Service
We provide real-time updates on production progress, keeping customers informed of equipment manufacturing status; we offer flexible order adjustment services to ensure products meet customer expectations; upon product delivery, we provide installation guidance and operation training services to assist customers in equipment debugging and acceptance, ensuring smooth production startup.


After-sales Service
A professional after-sales team of more than ten people provides a 4-hour rapid response; within the warranty period, personnel will be dispatched to the site within 24-48 hours of notification, providing free fault analysis, repair, and parts replacement services; we conduct at least two regular inspections annually, providing free performance testing and reports; outside the warranty period, only material costs are charged, with no additional fees such as labor costs; we provide long-term discounted supply of spare parts and offer lifelong technical consulting and on-site guidance services; extended warranty contracts are available, comprehensively guaranteeing stable equipment operation.
