Haihao Group, a global leader in piping solutions, has completed delivery of ASME B16.9 ASTM A234 Gr.WPB pipe fittings to a Russian energy client. The order included 45° and 90° LR elbows, tees, concentric reducers, and eccentric reducers, all manufactured ...

At Haihao Group, we take pride in delivering high-quality products tailored to the specific needs of our global clients. Recently, we successfully completed the production of a batch of ASTM A387 Gr22 Cl2 material hemispherical pressure vessel heads for a ...

Control valves play a vital role in the automatic control systems of modern chemical plants. The success of production processes depends heavily on the accurate distribution and control of flowing media. Whether it is energy exchange, pressure reduction, o ...

Haihao Group has just finished an order of ASTM A105 + pup piece insulating joint for a Hong Kong client. These joints are made to meet specific client needs. The product is made of ASTM A105 and pup piece materials. It is 12 inches in size, has a 150LB pr ...

Fiberglass Reinforced Plastic (FRP) pipes are widely used in industries such as chemical processing, water treatment, and marine engineering, thanks to their excellent strength-to-weight ratio, corrosion resistance, and long service life. But one critical ...

Fiberglass Reinforced Plastic (FRP) pipes are known for their outstanding corrosion resistance, high strength-to-weight ratio, and long service life. These impressive properties stem from their carefully engineered layered structure, where each layer plays ...

With their unique combination of strength, corrosion resistance, and lightweight structure, FRP (Fiberglass Reinforced Plastic) pipes are being increasingly adopted across a wide range of industries. Thanks to their excellent mechanical and chemical proper ...

FRP (Fiberglass Reinforced Plastic) pipes have become a top choice in various industries, including chemical processing, municipal systems, power plants, and wastewater treatment. But what makes them stand out from traditional steel or metal pipes? LetR ...

Recently, Haihao Group completed production of a new batch of FRP (Fiberglass Reinforced Plastic) pipe fittings for a valued customer. As FRP pipes gain popularity in municipal, chemical, power, and environmental sectors, many still find themselves puzzled ...

In industrial piping systems, pipe supports and hangers play a critical role in maintaining structural integrity, ensuring proper load distribution, and allowing thermal movement. Improper installation of these components can lead to pipe stress, misalignm ...

In the design and fabrication of pressure vessels, nozzle-to-shell and reinforcement pad welding play a critical role in ensuring structural integrity and long-term operational safety. These welded joints are subjected to complex loading conditions, and an ...

Industrial filters play a crucial role in fluid transportation systems, helping to remove solid impurities, protect downstream equipment, and ensure smooth operation of pumps, valves, and other components. Different filter types serve different industrial ...

Industrial filters are essential components in fluid systems, designed to remove solid particles from liquids, ensuring the protection and smooth operation of downstream equipment such as pumps, valves, and instrumentation. Selecting the right filter invol ...

At Haihao Group, we are proud to supply a comprehensive range of P265GH seamless pipe fittings to clients worldwide. Recently, a customer from the United Kingdom placed an order for customized fittings made from P265GH material, including various sizes of ...

Haihao Group has successfully completed the custom production of precision steel tubes for a long-term customer in South Africa, based on detailed technical drawings provided by the client. This project once again showcases Haihao’s strong customizat ...

In the heart of Siberia’s energy complexes and across Russia’s expansive industrial landscapes, reliability isn’t just a preference—it’s a necessity. At Haihao Group, we’ve engineered ASME B16.11 ASTM A350 Gr LF2 Cl 1 socket w ...

April 15, 2025 – The second day of the NEFTEGAZ 2025, Russia’s leading oil and gas exhibition, continues to bring energy and momentum to the Moscow Expocentre. Haihao Group, a global supplier of industrial pipe fittings, flanges, and pipeline solutio ...

Nuclear reactors represent one of the most demanding engineering environments in the world. From extreme temperatures and high pressures to long-term radiation exposure, the components used within these systems must meet rigorous safety, performance, and t ...

The 2025 NEFTEGAZ International Exhibition for Equipment and Technologies for the Oil and Gas Industries is just 4 days away! Haihao Group is excited to announce our participation in this premier oil & gas event, held from April 14 to April 17, 2025, a ...

In modern industrial operations, maintaining continuous production is essential. Online leak sealing (also known as leak repair under pressure) is a highly effective technology that allows for the safe repair of leaking pipelines and equipment without halt ...