In the week spanning from October 23rd to October 27th, domestic steel prices in China exhibited upward movement. Notably, both the long steel price index and flat steel price index showed moderate increases. Looking at the regional perspective, CSPI’ ...

When it comes to manufacturing large-diameter elbows, precision is of the utmost importance. Many factors can influence the accuracy of material feeding during the production process, and it’s essential to consider these factors for optimal results. ...

In the world of steel pipes, adherence to quality standards is paramount. The API 5L steel pipe standard is a vital guideline, and it classifies steel pipes into two distinct quality levels known as PSL1 and PSL2, with PSL representing Product Specificatio ...

Galvanization of bend fittings is a prevalent method for corrosion prevention, forming a protective zinc layer on the metal surface. This process plays a vital role in extending the lifespan of bend fittings, preventing corrosion and oxidation, thereby ens ...

As China’s economy surges forward, so does the rapid development of power generation technologies and equipment, with the nuclear power industry experiencing significant growth. Currently, both under construction and in planning, nuclear power plants ...

Hot-dip galvanizing is a time-tested process that offers eight remarkable advantages, making it the ideal choice for preserving and protecting steel. 1.Comprehensive Protection: Hot-dip galvanizing ensures that every nook and cranny of the iron surface is ...

In early September, Jiangsu Jusen Shipyard reached out to Haihao Group to place an order for a variety of products for their pipeline system, including steel pipes, elbows, concentric and eccentric reducers, among others. The client specified the material ...

In the dynamic realm of piping solutions, one standard stands out as a beacon of quality, precision, and reliability — the JIS G3454 standard. Developed by the Japanese Industrial Standards Committee, this standard plays a pivotal role in shaping the manuf ...

In a significant stride towards excellence, our esteemed client in Dubai has inked a supply contract with Haihao Group for a range of piping products, encompassing ASME standard flanges, elbows, tees, and various other butt-welded fittings. Demonstrating o ...

In the realm of industrial-grade stainless steel fittings, the surface treatment plays a pivotal role in both aesthetics and functionality. Our stainless steel fittings undergo various surface treatments, each catering to distinct preferences and applicati ...

Haihao Group, a globally recognized leader in the manufacturing and supply of premium industrial piping solutions, is proud to announce the successful delivery of a diverse range of products to our esteemed client in Iraq. This shipment includes top-notch ...

In a world where manufacturing technologies continue to advance and diverse environmental requirements demand a wide array of pipe bends and elbows, the industry is witnessing an ever-expanding range of these crucial components. While these various types o ...

In the world of pipeline systems, selecting the appropriate material for your pipe fittings is a critical decision that impacts performance, longevity, and safety. With a wide range of materials available, each suited for specific applications, making the ...

At Haihao Group, we take pride in introducing our top-quality ASME B16.9 seamless pipe BV elbow. With sizes ranging from DN10 to DN3600 and thickness options including SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100, SCH120, SCH160, XS, and XXS, our ...

In the world of piping systems, pipe elbows play a pivotal role in altering the direction of pipelines. Whether you’re in the heating industry, managing water supply, or working on gas pipelines, understanding the different types and specifications o ...

At Haihao Group, we take pride in our commitment to providing top-quality piping solutions to clients around the world. Recently, we had the privilege of fulfilling an order for our valued client in Brazil, underscoring our dedication to delivering excelle ...

At Haihao Group, our commitment to the marine pipeline industry is unwavering, and we are dedicated to bringing you the latest news from the world of offshore projects. Today, we’re excited to share a significant achievement in China’s deepwate ...

The Arctic LNG-2 project’s inaugural liquefied natural gas (LNG) storage and offloading unit, which set sail from Murmansk, has successfully completed its maritime journey. It arrived on the western coast of the Gydan Peninsula in Western Siberia on ...

Haihao Group, a proud strategic supplier to China National Offshore Oil Corporation (CNOOC), wholeheartedly congratulates CNOOC on the remarkable accomplishment of completing Asia’s first cylindrical Floating Production, Storage, and Offloading (FPSO ...

In the realm of steel pipe production, two distinct manufacturing techniques stand out: cold drawing and hot rolling. These processes play a pivotal role in crafting seamless steel pipes, each offering unique characteristics and advantages. Let’s del ...