When it comes to achieving optimal connections, Haihao Group understands that one size does not fit all. That’s why we offer a wide range of products with tailored thread shapes to meet the unique needs of our customers. Whether it’s tapered th ...

We are thrilled to announce the successful shipment of our high-quality concentric reducers to our valued customer in Turkey. With our commitment to excellence and customer satisfaction, we take pride in delivering superior products that meet industry stan ...

In the world of pipe fittings production, the quality of raw materials is paramount in ensuring the excellence of the final products. At Haihao Group, we understand the significance of sourcing high-quality materials, which is why we forge partnerships wit ...

We are delighted to present the remarkable production process behind the BS 1965 EN 10253-4 S235JRG2 reducing tee, specifically designed and manufactured to meet the highest industry standards. With our meticulous attention to detail and commitment to exce ...

In the world of pipeline systems, seamless flow and efficient transitions are vital for optimal performance. Behind the scenes, the manufacturing process of concentric reducers plays a pivotal role in achieving these objectives. In this promotional article ...

In the world of piping systems, durability and longevity are vital considerations. At Haihao Group, we understand the importance of safeguarding your piping components against the harsh elements and corrosive environments. That’s why we offer galvani ...

In the world of piping systems, adherence to industry standards is paramount to ensure compatibility, reliability, and safety. One such essential standard is ANSI B16.28, which specifically addresses the requirements for wrought steel butt-welding short ra ...

When it comes to piping projects, selecting the appropriate fittings is crucial for ensuring optimal performance and efficiency. One common decision that engineers and project managers face is whether to use a short radius elbow or a long radius elbow. Und ...

When it comes to piping systems, selecting the right fittings is crucial to ensure optimal performance and efficiency. Two commonly used elbow fittings are short radius elbows and long radius elbows. While both serve the purpose of changing the direction o ...

Not long ago, a customer from the UK ordered a batch of ASTM A234 WPB carbon steel elbows from our company. This batch of products was used in a chemical project in the UK. According to the needs of the customer, we recommended the appropriate coating type ...

At Haihao Group, we take great pride in producing high-quality pipe fittings, including the ASTM A234 WPB 40-inch carbon steel elbows. With a relentless focus on precision and craftsmanship, we ensure that our elbows meet and exceed industry standards. In ...

When it comes to pipeline systems, it’s essential to understand that not all pipelines are created equal. The specific requirements and challenges posed by different types of fluids necessitate distinct approaches in material selection, coating, desi ...

When it comes to flange steel pipe joints, ensuring a secure and leak-free connection is of utmost importance. One critical aspect of achieving this is the proper treatment of welding seams. At Haihao Group, we take pride in our expertise in providing top- ...

We are thrilled to announce that Haihao Group has successfully completed the galvanization process for the flanged steel pipe joints ordered by our valued customers. Galvanizing these products is a critical step that significantly enhances their durability ...

Steel pipes are widely used in various industries, including oil and gas, construction, and manufacturing. To ensure their durability and longevity, proper coating is essential. Coating not only protects the steel pipes from corrosion and rust but also imp ...

At Haihao Group, we are committed to providing our customers with high-quality products that meet their unique requirements. Recently, we received an inquiry from a customer who required a welded pipe with a plastic-coated flange for use in potable water a ...

When it comes to pipe fittings, elbows are an important component that helps to change the direction of the flow of fluids in pipelines. However, not all elbows are created equal – there are two types of elbows commonly used in piping systems: short ...

Pipe fittings are essential components of piping systems, and they come in various materials to suit different applications. One material that is becoming increasingly popular in the industry is ASTM A182 F321.ASTM A182 F321 is a titanium-stabilized austen ...

High-pressure, high-temperature, and corrosion-resistant environments pose significant challenges for pipe fittings, and it takes a high level of expertise to manufacture fittings that can withstand these conditions. Our company has extensive experience in ...

Haihao Group is a leading supplier of pipeline products, and we take pride in providing our customers with a wide range of products to meet their diverse needs. In addition to Various standard elbows, flanges, tees, and steel pipes, we also offer threaded  ...