• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
Reducing tee fitting is a special type of tee joint. The branch pipe of the reducing tee has a different diameter than the other two. Due to their versatility, reducing tees are widely used in various industries and have become an important part of piping systems around the world. As an expert i ...

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Haihao Group has been engaged in the field of pipeline systems for more than 40 years. Our company pays close attention to the changes in the steel raw material market and shares it with customers. This article will introduce to you the changes in the raw material market last week. In the domest ...

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Haihao Group has been deeply involved in the field of pipeline systems for many years, and we fully understand the impact of high-quality raw materials on product performance. Stainless steel is prized for its corrosion resistance and is widely used in piping system products, but what exactly ma ...

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Stretching wind energy projects from land to sea is no easy task. The natural environment presents complex challenges with varying distances offshore and regional conditions. In the past thirty years of development practice, the offshore wind energy industry has gradually formed two different te ...

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Pipe elbows are crucial components in piping systems, enabling smooth directional changes and efficient flow of fluids. Let’s delve into the various types of elbows available: Reducer Elbow: This type of elbow features different diameters at each end, facilitating transitions between pipes ...

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As a strategic reserve supplier of CNOOC, Haihao Group plays a key role in the field of offshore pipeline engineering. In recent years, we have cooperated with CNOOC to complete a number of offshore pipeline projects, and we pay close attention to the latest developments in offshore engineering ...

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Upgrade your pipeline system with the reliability and durability of ASME B16.9 A234 GR WPB pipe cap. At Haihao Group, we prioritize the safety and efficiency of your operations, and our pipe caps are engineered to meet the highest standards, ensuring seamless performance and peace of mind for yo ...

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As experts in the field of pipeline systems, Haihao Group not only provides customers with a variety of high-quality pipeline system products but also possesses expertise in the professional knowledge of pipeline systems. Stainless steel threaded pipe fittings play a crucial role in various indu ...

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As experts in the field of pipeline systems, Haihao Group is committed to providing high-quality pipeline system products, including various steel pipes, flanges, elbows, tees, olets, and other fittings used in pipeline systems. We pay close attention to fluctuations in steel prices and promptly ...

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Haihao Group, which has been involved in the field of pipeline systems for more than 40 years, once again demonstrated its excellent solution capabilities. We are always committed to providing customers with high-quality products and excellent services. This time we successfully helped Indonesia ...

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On January 26, 2022, COOEC successfully completed the first topside module of the 400,000-ton floating production, storage and offloading (FPSO) P79 project of Petrobras and officially delivered it and set sail, once again providing a new opportunity for COOEC. Earn new glory. The P79 project is ...

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In the complex world of fluid dynamics, pressure pipes play a key role in transporting gases and liquids under controlled pressure conditions. However, not every pipeline can be called a pressure pipeline. Two key criteria define this professional category: HAIHAO GROUP Pressure >= 0.1 MPa (g ...

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In the intricate world of piping systems, the choice of connection method plays a pivotal role in ensuring efficiency, durability, and adaptability. Here, we explore the myriad ways through which pipe fittings can be interconnected, each method tailored to meet specific demands and applications. ...

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In the realm of pipeline systems, Haihao Group has established itself as a force to be reckoned with, garnering certifications from renowned maritime classification societies such as ABS, DNV, BV, RINA, RS, and more. This testament to our expertise has fueled our keen interest in the latest info ...

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Haihao Group closely monitors the fluctuations in the steel market and shares insights with our valued clients. In early January, the social inventory of steel in five major varieties across 21 cities increased by 520,000 tons, marking a 7.1% rise compared to the previous period. This upward tre ...

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As a supplier with years of experience in the pipeline system sector, Haihao Group has been closely monitoring changes in the raw material market and sharing insights with clients to deliver more competitive pipeline system products. This article provides you with an overview of the changes in t ...

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On the morning of January 16, Shanghai COSCO shipping heavy industry successfully undertook the modification of Prometheus FSRU for China Petroleum Pipeline Bureau’s Geria LNGC, and held a grand delivery ceremony at Pier 2. The Geria FSRU conversion project is the first project in China to use M ...

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As a leader in the field of pipeline systems, Haihao Group consistently monitors the global raw material market, aiming to provide our esteemed customers with the latest market changes to ensure they receive the most competitive pricing experience. This article will guide you through the detaile ...

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Haihao Group has more than 40 years of rich experience in the field of pipeline systems and has become a trustworthy brand in the industry. Our products have been used in numerous piping system projects around the world, and customers from all over the world choose to work with us. Leveraging ou ...

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On January 5, the 52-inch submarine pipeline towing head of the Ravilawi project in Indonesia accurately arrived at the landing site, marking the successful completion of the world’s largest diameter long-distance offshore crude oil pipeline towing operation. The Rawalawa project is not on ...

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In the ever-evolving landscape of pipeline solutions, Haihao Group stands as a stalwart expert in the field. Last year, our commitment to providing top-notch products and comprehensive services was evident in a significant order from a valued client in Singapore. Haihao Group The extensive order ...

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As an expert in the field of pipeline systems, Haihao Group widely uses steel plates in daily production and orders various types of steel plates for customers. Here we will introduce the different classifications and broad application areas of steel plates. Common steel plate materials The main ...

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Recently, a customer from Singapore placed an order for a batch of pipe fittings, including flanges, elbows, tees, and lateral tees. The customer specified that these pipe fittings must undergo hardness testing. Haihao Group is committed to providing customers with high-quality pipe fitting prod ...

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In the realm of heat treatment, the quenching process plays a pivotal role in defining the properties of a workpiece. The medium used for quenching, referred to as quenching media, significantly influences the transformation of the material’s structure. An ideal quenching medium should fac ...

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