Haihao Group, a leading manufacturer specializing in pipe products, introduces cutting-edge surface quenching methods for thick-wall steel pipes. These advanced techniques ensure superior hardness and durability, meeting the stringent demands of various in ...

At Haihao Group, we’re thrilled to announce that our valued customer, Shunzhou Shipyard, has placed an additional order with us. This order encompasses a range of high-quality products, specifically ASME B16.9 ASTM A234 Gr WPB tees and reducers, slat ...

At Haihao Group, we take immense pride in our long-standing partnerships with clients worldwide. Our latest collaboration with an esteemed client from India exemplifies our dedication to delivering precision-engineered solutions for their ongoing oil proje ...

In the week spanning October 28th to November 3rd, the domestic scrap steel prices demonstrated a steady yet upward trajectory, easing the prevailing market pessimism and resulting in a deceleration in merchant sales. Notably, major steel enterprises witne ...

In the world of high-pressure and high-temperature environments, reliability and strength are paramount. This is where ASTM A694 F65 steps in, offering a high-strength low-alloy steel solution that’s perfectly suited for such challenging conditions. ...

Coating thickness plays a crucial role in ensuring the durability and longevity of pipelines. It serves as a protective layer, guarding against corrosion, abrasion, and other potential damage. Understanding the importance of precise coating thickness, our ...

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 ...

In a world where industries are becoming increasingly reliant on stainless steel, the recent nickel shortage is making waves across the global market. The latest data report released by the World Bureau of Metal Statistics (WBMS) in August 2023 has reveale ...

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 ...