• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
In the world of pipeline systems, protecting steel pipes from corrosion is paramount to ensure their longevity and reliable performance. At Haihao Group, we employ advanced coating technologies to enhance the durability and safeguard the integrity of steel pipes. In this article, we introduce th ...

Read More

Submarine pipelines play a crucial role in transporting resources across vast underwater distances. As the demands and complexities of these projects continue to grow, selecting the appropriate materials becomes paramount. At Haihao Group, we understand the criticality of this decision and are c ...

Read More

Haihao Group, a leading manufacturer and supplier of premium pipe fittings, has successfully provided innovative solutions to diverse industries around the world. In this promotional article, we present a real-life case study highlighting the application of our pipe fittings in a power plant pro ...

Read More

In the world of pipe fittings production, the quality of raw materials plays a pivotal role in determining the excellence of the final products. At Haihao Group, we understand the importance of sourcing top-grade materials, which is why we have established strategic cooperative relationships wit ...

Read More

When it comes to sealing the ends of pipelines, two commonly used products are pipe end caps and blind flanges. Understanding the differences between these two options and selecting the appropriate product based on your pipeline requirements is crucial for optimal performance and safety. In this ...

Read More

As the demand for Floating Production, Storage, and Offloading (FPSO) systems continues to rise in the oil and gas industry, Haihao Group proudly stands at the forefront of providing high-quality pipe fittings specifically tailored for FPSO projects. With our unwavering commitment to excellence, ...

Read More

The oil and gas industry has always been at the forefront of innovation, constantly seeking new solutions to maximize production efficiency and overcome operational challenges. In this advocacy article, we delve into the future of the industry and highlight why Floating Production, Storage, and ...

Read More

At Haihao Group, we take pride in our expertise in manufacturing a wide range of pipe fittings, including flanged elbows and ordinary elbows. These two types of elbows serve distinct purposes in piping systems and have unique characteristics. In this article, we will delve into the differences b ...

Read More

Haihao Group takes immense pride in its expertise in producing high-quality flanges, steel pipes, elbows, tees, and other pipe fittings. We are excited to share our manufacturing process for the DIN EN 1092-1 42 inch flanged elbow, an exceptional component renowned for its seamless performance a ...

Read More

The P256GH flat flange is a specific type of flange commonly used in high-temperature and high-pressure industrial applications. Here is some important information about the P256GH flat flange: Material: The P256GH flat flange is typically made from P256GH steel. P256GH is a high-temperature and ...

Read More

When it comes to reliable and secure connections in piping systems, ASME B16.5 flanges are the go-to choice for many industries. These flanges adhere to the renowned ASME B16.5 standard, which guarantees precision, compatibility, and exceptional performance. In this article, we will delve into t ...

Read More

In the world of industrial piping systems, flanges play a critical role in connecting pipes and valves, providing a secure and leak-free joint. However, not all flanges are created equal. Adhering to industry standards and obtaining relevant certifications is crucial to ensure the quality, relia ...

Read More

When it comes to the transportation of liquefied petroleum gas (LPG), the safety and efficiency of every component in the ship’s piping system are paramount. Among these components, pipe fittings play a crucial role in maintaining the integrity and reliability of the system. In this promot ...

Read More

At Haihao Group, we take immense pride in producing high-quality seamless steel pipes that meet the stringent demands of various industries. As a testament to our commitment to excellence, we have implemented a rigorous quality inspection process to guarantee the superior performance and reliabi ...

Read More

LPG ships, known for their specialized transportation of liquefied petroleum gas, require robust and reliable piping systems to ensure the safe and efficient delivery of cargo. Haihao Pipe Fittings, a trusted name in the industry, offers a comprehensive range of high-quality pipe fittings that a ...

Read More

Pipeline coating is a critical aspect of pipeline construction that protects the pipeline from corrosion, abrasion, and other types of damage. To ensure the longevity and durability of pipeline coating, it’s essential to follow strict standards and guidelines. One such standard is the AWWA ...

Read More

Haohao Group is proud to be at the forefront of the latest FPSO design revolution. We are excited to share the news of MISC’s newest FPSO design, which features a giant topside module and incorporates sustainable technology that can shorten EPCIC time. According to MISC, the FPSO’s g ...

Read More

Great news! Our company is currently undergoing the annual inspection for ISO certification. This process ensures that we are continuously meeting the highest international standards for quality management. ISO certification is not a one-time achievement, but a continuous effort to maintain and ...

Read More

When it comes to piping systems, two popular options for connecting pipes are butt weld pipe fittings and forged pipe fittings. While both serve the same purpose, there are significant differences between them that affect their application, performance, and cost. In this article, we will introdu ...

Read More

Are you looking for a one-stop solution for all your pipeline project needs? Look no further than Haihao Group. We are a leading manufacturer and supplier of high-quality pipe fittings, and we offer a full range of services from design to delivery. Whether you need custom-made products or standa ...

Read More

ExxonMobil Guyana recently announced the arrival of Prosperity FPSO in the waters of Guyana for the development of the Payara oil field. This oil field is located in the Stabroek Block of Guyana’s offshore area, at a depth of approximately 2,000 meters. Production for Payara is expected to ...

Read More

When it comes to pipe fittings, the material used can greatly impact the performance and longevity of the product. At our company, we offer a wide range of options including carbon steel, stainless steel, and alloy steel fittings. In this article, we will explore the differences between these th ...

Read More

Submarine pipelines are essential for offshore oil and gas development, and ensuring the safety and reliability of these pipelines is crucial. Our company provides key products for submarine pipelines, including pipes, flanges, and other fittings that meet the rigorous demands of underwater envi ...

Read More

FPSOs are complex offshore structures that require top-quality equipment and components to ensure their safe and reliable operation. At our company, we specialize in providing high-quality pipe fittings for FPSOs, including ASME B16.9 90-degree elbows, ASTM A234 WPB tees, and ASME B16.5 flanges. ...

Read More