In recent years, Haihao Group has actively participated in pipeline system projects at home and abroad, especially offshore oil and gas projects. At present, Haihao Group has obtained certifications from many internationally renowned classification societies such as ABS, DNV, BV, RINA, and RS. O ...

Haihao Group, a leading expert in the field of pipeline systems, employs various welding techniques for flanges, including flat welding, butt welding, and socket welding flanges. ANSI B16.5 socket welding flanges Flat Welding, Butt Welding, and Socket Welding Flanges: Flat welding involves weldi ...

Haihao Group is pleased to announce that we have received an order from our esteemed client in Malaysia for a batch of blind flanges made from SA516Gr60 material. These flanges, available in sizes 20 inches and 36 inches, exhibit exceptional characteristics, making them suitable for various appl ...

With the exciting news of the National Energy Group’s offshore wind power capacity surpassing 5 million kilowatts, Haihao Group, an advanced forging technology supplier, eagerly engages in various domestic and international wind power projects by providing large-scale wind power flanges. W ...

At the heart of industrial piping systems, the slip-on flange stands out as a versatile and efficient component. Let’s delve into the characteristics, advantages, disadvantages, applications, and points of distinction that make the slip-on flange a crucial element in various engineering se ...

Haihao Group, a leading provider of high-quality pipeline solutions, is thrilled to announce the successful completion of a significant order from our valued client in the United States. The order comprises a batch of ASME B16.5 RF reducing slip-on flanges, specifically A105 material, featuring ...

As wind energy continues to play a pivotal role in the global shift towards sustainable power sources, the development of wind turbine components becomes increasingly sophisticated. Among these components, the wind turbine tower, ranging from 100 to 170 meters in height, demands robust connectio ...

In the dynamic world of industrial engineering, tube sheets stand as crucial components in ensuring the seamless operation of pressure vessels and heat exchangers. Recently, a forward-thinking client from Singapore entrusted Haihao Group with the production of 11 tube sheets, each boasting a sub ...

Wind turbine tower flanges, often referred to as “wind turbine tower flanges,” are crucial components used in wind turbine generators. They play a pivotal role in connecting the wind turbine’s rotor blades to the generator’s main shaft. Let’s explore the key charact ...

In the world of industrial applications, where efficiency, reliability, and cost-effectiveness are paramount, the practice of overlay welding on carbon steel flanges is emerging as a game-changing solution. This innovative technique not only extends the lifespan of flanges but also significantly ...

At Haihao Group, our commitment to delivering high-quality pipeline solutions knows no bounds. We take immense pride in providing customized products that cater to the unique needs of our clients worldwide. Recently, we had the privilege of serving a valued customer from the United Arab Emirates ...

Flanges, integral components in various industries, demand precise mechanical, physical, and chemical properties. Achieving these properties often requires meticulous material selection and diverse forming techniques, with heat treatment playing a pivotal role. Steel, the most widely used materi ...