In industrial piping systems, choosing the right fitting standard is critical to ensuring safety, reliability and system performance. Haihao Group recently produced orders for Singapore customers, including ASME B16.11 socket fittings and ASME B16.28 fitti ...

Industrial valves play a critical role in controlling the flow of fluids and gases in various industries, from petrochemical plants to water treatment facilities. Ensuring their reliability and safety is essential. One key aspect of this assurance process ...

In corrosive environments such as offshore platforms, chemical plants or oil and gas pipelines, stainless steel elbows are a common choice due to their excellent corrosion and high temperature resistance. However, they are not the only solution. For exampl ...

If you are purchasing steel pipes for mechanical or industrial purposes, especially in Russia, Eastern Europe or CIS countries, the GOST 8734-75 seamless steel pipes recently provided by Haihao Group to Russian customers are a good choice. Below I will int ...

During the construction of the pipeline system, we often encounter elbow fittings. They have various angles, such as 45°, 60°, 90°, 180,etc. These values ​​describe the bending radius of the elbow fittings, which directly affects the total length, pressure ...

Haihao Group, an integrated industrial-trading service provider specializing in end-to-end pipeline solutions, has successfully supplied MSS SP-97 A182 F316 45° socket weld latrolets to a Singaporean energy client. This precision-engineered component featu ...

Butterfly valves are widely used in various industries due to their compact structure, cost-effectiveness, and suitability for regulating or isolating flow. However, selecting the right butterfly valve for a specific application requires a systematic evalu ...

Pneumatic valves are widely used in automated control systems for various industrial applications. To enhance their performance, reliability, and efficiency, pneumatic valve accessories play a critical role. These accessories support the core functions of ...

As a leading enterprise in the global industrial piping system field, Haihao Group has recently successfully delivered a batch of high-quality concentric swage nipples to our strategic partner in Singapore. This batch of concentric swage nipples strictly f ...

1.Gas Porosity Gas porosity refers to small voids formed when gases fail to escape during the metal solidification process. These pores have smooth inner walls and contain gases, making them highly reflective to ultrasonic waves. However, due to their typi ...

When it comes to pipeline systems operating in sour service environments, selecting the right materials is not just a recommendation—it’s a necessity. ASTM A234 WPB seamless pipe fittings are widely recognized for their mechanical strength, reliabili ...

In March 2025, Haihao Group successfully delivered a custom order of 90 alloy steel pipe fittings to a Russian client. The order included a variety of high-quality seamless elbows and reducers made of 15X5M, a high-performance alloy steel with minimum chro ...

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 ...