At YANHAO, we take great pride in our state-of-the-art flange manufacturing facility located in Cangzhou, Hebei, China. With 8 production lines dedicated to pipe fittings and 5 production lines dedicated to flanges, we have an annual production capacity of over 80,000 tons, allowing us to produce a wide range of flanges in various sizes, materials, and standards including ANSI, DIN, JIS, and non-standard flanges.

Our production facility is equipped with cutting-edge technologies and a comprehensive quality control system, including spectral analysis, non-destructive testing, heat treatment, hydrostatic testing, and more, to ensure the highest quality and reliability of our products.

As a company located in the heart of China’s flange manufacturing industry, we have a distinct advantage when it comes to sourcing high-quality raw materials from reputable suppliers such as Baosteel, Laiwu Steel Group, Tianjin Steel Factory, and Qingshan Steel Factory. Additionally, our skilled and experienced workforce is dedicated to delivering products that meet the exact specifications and requirements of our customers.

At YANHAO, we are committed to providing our customers with the highest quality products, excellent customer service, and reliable solutions for all their flange and pipe fitting needs. We are confident that our products and services will exceed your expectations and look forward to the opportunity to work with you.

Production Capabilities

YANHAO is a leading flange and pipe fitting manufacturer based in Cangzhou, Hebei, China, with state-of-the-art production facilities that feature 8 production lines for pipe fittings and 5 production lines for flanges. Our production lines are equipped with advanced technology and modern equipment that enables us to produce a wide range of flanges and pipe fittings in various sizes, materials, and standards.

We specialize in producing different types of flanges, including slip-on flanges, weld neck flanges, blind flanges, lap joint flanges, threaded flanges, and socket weld flanges, in standard and non-standard sizes. Our pipe fittings include elbows, tees, reducers, caps, and bends, which are also available in different materials, sizes, and standards.

At YANHAO, we use high-quality materials to ensure the durability, strength, and longevity of our products. Our materials include stainless steel, alloy steel, and carbon steel, which are sourced from reputable suppliers such as Baosteel, Laiwu Steel Group, Tianjin Steel Factory, and Qingshan Steel Factory.

Our production process involves strict quality control measures and testing protocols to ensure that our products meet the highest standards of quality and reliability. We use advanced testing equipment such as spectral analysis, non-destructive testing, heat treatment, hydrostatic testing, and more to verify the quality and performance of our products.

At YANHAO, we are committed to providing our customers with the highest quality products and services that meet their exact needs and requirements. With our expertise, state-of-the-art facilities, and rigorous quality control measures, we are confident that we can deliver products that exceed your expectations.

Quality Control System

At Yanhao, quality control is a top priority. We take great pride in producing high-quality flanges and pipe fittings that meet or exceed our customers’ expectations. Our commitment to quality is reflected in our ISO 9001:2000 certification and pressure component manufacturing license, which demonstrate our adherence to rigorous quality standards.

To ensure the quality and safety of our products, we have implemented a comprehensive quality control system that includes advanced testing and inspection technologies. Our state-of-the-art equipment, including spectrometers, non-destructive testing equipment, heat treatment systems, and hydraulic testing machines, allows us to conduct a thorough evaluation of our products at every stage of production.

We also have a team of highly skilled and experienced quality control professionals who monitor and inspect every product that leaves our facility. These professionals are trained to identify any potential defects or issues and take appropriate measures to ensure that our products meet our strict quality standards.

Our quality control system is designed to prevent product failures and ensure customer satisfaction. By adhering to these strict quality standards, we can ensure that our products are safe, reliable, and meet the needs of our customers. At Yanhao, we are committed to delivering the highest quality products and services to our customers.

Customization and Innovation

At Yanhao, we understand that every customer has unique needs and requirements when it comes to flanges and pipe fittings. That’s why we are committed to customization and innovation to ensure that we can meet these demands.

Our production facility is equipped with state-of-the-art equipment, including large-diameter hydraulic presses and bending machines, allowing us to produce a wide range of flanges and pipe fittings with varying shapes and sizes. This means that we can create customized flanges that meet specific customer requirements.

In addition to customization, we are also committed to innovation. Our team of experts is always exploring new materials and designs to improve the performance and functionality of our products. For example, we have developed flanges and pipe fittings made from new materials such as titanium, which offers superior strength and corrosion resistance compared to traditional materials.

Our focus on customization and innovation has allowed us to stay at the forefront of the industry and offer our customers cutting-edge products that meet their specific needs.

Hebei Advantage

Hebei province, located in northern China, has long been known as a center for flange production due to its advantageous location and abundant resources. Yanhao is proud to be based in Hebei and has leveraged the province’s strengths to become a leading producer of flanges and pipe fittings.

One of the key advantages of Hebei is its access to raw materials. The province is rich in iron ore, coal, and other resources that are essential for the production of steel and other metals. In addition, Hebei has a well-developed transportation network that includes highways, railways, and waterways, making it easy to transport raw materials to manufacturing facilities and finished products to customers around the world.

Another advantage of Hebei is its skilled labor force. The province has a long history of metalworking and manufacturing, and the local workforce has developed a high level of expertise in producing flanges and other precision components. This expertise has been passed down from generation to generation, creating a culture of craftsmanship and attention to detail that is evident in the quality of Yanhao’s products.

Hebei has also made a concerted effort to promote the growth and development of the flange industry. The province has established specialized industrial parks that are dedicated to flange production, providing a supportive environment for manufacturers like Yanhao. These parks offer a range of services and resources, including research and development facilities, training programs, and financing options.

Yanhao has played an important role in driving the growth of the flange industry in Hebei and beyond. The company has invested heavily in state-of-the-art equipment and technology, allowing it to produce high-quality products that meet the needs of customers around the world. In addition, Yanhao has been a leader in innovation, developing new materials and designs that improve the performance and efficiency of flanges and pipe fittings.

Overall, Hebei’s advantages in terms of resources, skilled labor, and transportation infrastructure, combined with Yanhao’s commitment to customization, innovation, and quality control, make the province an ideal location for the production of flanges and pipe fittings.


Yanhao is a leading manufacturer of high-quality flanges and pipe fittings, with state-of-the-art production facilities and advanced quality control measures. The company’s commitment to customization and innovation, as well as its location in the heart of Hebei’s industrial hub, make it a preferred supplier for customers around the world. With a strong focus on quality, reliability, and customer satisfaction, Yanhao invites you to explore its products and services and see the difference for yourself.

Lewis Liu

Hello, I am Lewis Liu, a professional sales engineer with over ten years of experience in the flange fittings industry. I am highly knowledgeable in flange selection, installation, and maintenance. I am passionate about providing customers with the best solutions to ensure their pipeline systems run smoothly, safely, and reliably.

If you have any questions or concerns regarding flange fittings for your pipelines, whether it’s about selection, material choice, specification requirements, or any other aspect, please feel free to contact me at any time. I am committed to offering professional advice and assistance to help you make informed decisions and meet your needs.

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