MANUFACTURING AND SERVICE OF POWER TRANSFORMERS FOR 30 YEARS
Qingdao Haiyifeng Industry and Trade Co.,Ltd. It has been specialized in the development research, manufacturing and service of power transformers for 30 years. At present, the company has 10 senior engineers, 30 senior technicians, more than 200 employees, with an annual output value of 50 million US dollars and an annual production capacity of more than 10 million kVA. Hengfengyou is a large-scale enterprise in the field of power transmission and distribution equipment manufacturing. With high-quality products and perfect service system, It now provides reliable power transformer products and services for more than 50 countries and regions around the world. It has established a good reputation and image of "HYF" brand in the global market, and won extensive trust and praise from customers.
The company has 10 senior engineers
30 senior technicians
More Than 200 Employees
With an annual output value of 50 million US dollars
Our main products are: oil immersed transformer, dry type transformer, amorphous alloy transformer, experimental transformer, electric furnace transformer, rectifier transformer, etc. At present, our 10kV, 12kV, 20kV, 33kV, 35kV oil immersed transformers of S11, S13 series , 10kV, 12kV, 20kV, 33kV, 35kV epoxy cast dry-type power transformers of SCB10, SCB13 series , SH15, SCBH15 amorphous alloy power transformers, on load tap changing transformers and other products have passed the inspection of the national electrical product quality supervision and inspection agency and obtained the registration model record certificate. .The company always adhere to focus on the technical force and modern enterprise management team as the basis, strict implementation of ISO9001 quality management system, CB international electrician certification, CE safety certification, THE United States UL certification, the European Union ROHS standard, so as to meet the products in different special occasions and harsh environment can be normal and reliable work.
The company has won the trust of customers all over the world with its continuously enhanced innovation ability, stable quality assurance ability, outstanding customization ability and timely delivery ability.The company's products have been sold in Central Asia, South Asia, West Asia, Southeast Asia, the Middle East, the Americas and other countries and regions.

Qingdao Haiyifeng Industry and Trade Co.,Ltd. It has been specialized in the development research, manufacturing and service of power transformers for 30 years. At present, the company has 10 senior engineers, 30 senior technicians, more than 200 employees, with an annual output value of 50 million US dollars and an annual production capacity of more than 10 million kVA. Hengfengyou is a large-scale enterprise in the field of power transmission and distribution equipment manufacturing. With high-quality products and perfect service system, It now provides reliable power transformer products and services for more than 50 countries and regions around the world. It has established a good reputation and image of "HYF" brand in the global market, and won extensive trust and praise from customers.
7 * 24 service mechanism
Implements the after-sales service policy of free replacement for one year
Two-year guarantee period and lifetime warranty
With advanced production equipment, perfect quality management system and rich production management experience, all our products meet or exceed the national standards of China. The company implements the "7 * 24 service mechanism", and implements the after-sales service policy of free replacement for one year, two-year guarantee period and lifetime warranty, so as to provide customers with timely, warm and thoughtful services and eliminate their worries.
We always adhere to technology as our guiding principle, upholding the spirit of "dedication, professionalism, and focus," to provide meticulously crafted tools and serve millions of users worldwide.
We have established a professional R&D team to continuously optimize our products, save energy, and adopt new manufacturing processes to tailor high-performance, cost-effective equipment for our customers.
We have more than 20 years to produce different kinds of transformers.
The factory's 6S management system improves efficiency, ensures quality, and safeguards the quality of the products the company outputs.
As a high-tech enterprise integrating R&D, production and sales, we ensure product quality while maximizing cost advantages for our customers.
We have a strong supply chain and after-sale service.