• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
Stamped elbow is widely used in piping engineering parts, and strict welding process is required when making stamped elbow. The perovskite type needs to be dried at 150 ℃, and the treatment time is strictly controlled to be 1 hour to prevent the increase of carbon content near the welding and im ...

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Today, the 2022 China Marine Economy Expo, the 2022 Shenzhen International Ocean Week and the 2022 Shenzhen Ocean Industry Investment Promotion Conference opened in Shenzhen. Haihao Group 9CT005 booth The Expo covers an exhibition area of 60000 square meters, attracting more than 800 exhibitors ...

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Haihao Group will take many important products to participate in the 2022 China Marine Economy Expo held in Shenzhen Convention and Exhibition Center (Futian District) on November 24-26, 2022, to help China achieve the upgrading and development of pipeline equipment! The exhibition covers an are ...

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Many customers may not know how to choose elbow when purchasing elbow. As a manufacturer who has been working hard in the field of supporting products for pipeline engineering for many years, Haihao Group shares the precautions for elbow purchasing today, hoping to help everyone. Custom Elbows 1 ...

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2022 SSNAME Academic Conference The 2022 SSNAME academic conference was successfully held on November 12. The theme of the conference was “Innovation drives high-quality development of offshore engineering”, Haihao Group was honored to be invited to participate. Special rotating flan ...

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This month Paraguay client placed two orders, one it’s carbon steel order including the ASTM A234 ASME B 16.9 WPB BW fittings, ASME B 16.11 forged fittings, weldolets and ASTM A105 ASME B 16.5 flanges. Another it’s stainless steel fittings forged fittings which will be dispatched by ...

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Every morning, the warehouse of Haihao Group is busy. Almost every day, there are trucks coming to the warehouse to deliver goods. Today, a batch of elbows ordered by Shandong customers have been packed and will be loaded and shipped soon. This batch of products will be transported to the custom ...

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On the afternoon of October 27, a customer from Shandong made an appointment to inspect the goods at the factory of Haihao Group. Haihao welcomed the inspection and gave full cooperation. This batch of goods was contracted by the customer in August. After more than a month of production, all pro ...

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On October 19, a batch of equal tees ordered by Russian customers in Haihao Group completed production, and Haihao’s quality inspectors conducted ultrasonic testing on these tees. After the inspection, the inspection report will be sent to the customer along with the goods. Ultrasonic test ...

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With the development of the Belt and Road policy, Haihao Group has ushered in a period of rapid development in recent years. At present, Haihao’s products have been exported to Europe, America, East Asia, Africa and other regions. After decades of market tests, our products have been well ...

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Seamless steel pipe is a steel pipe formed by piercing the whole round steel, and there is no weld on the surface, which is called seamless steel pipe. According to the production method, seamless steel pipes can be divided into hot rolled seamless steel pipes, cold rolled seamless steel pipes, ...

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What are the stainless steel pipe fittings? Stainless steel pipe fittings cover a wide range, mainly including stainless steel tees, elbows, caps, bends, cross, reducers, couplings, unions,nipples, bushing, boss,  outlets, valves,  non-standard parts, etc. Most pipe fitting manufacturers only pr ...

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After the Middle Autumn Holiday, we gave the reception to our Kuwait client TPI inspector on 14th of September. For this Kuwait client, we have contacted for several months. The first time we communicated it’s about the agent issue, they express they willing to be our agent. So we keep the ...

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New energy has received great attention in the world. At present, the planning and construction of many new energy bases in China are accelerating, and the third batch of large-scale wind and power projects are being planned. With the improvement of a series of policies, new energy will usher in ...

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As an important participant in the Belt and Road, Brazil has the largest economic volume and market scale in Latin America. It has deep-water oil and gas resources with large reserves and good quality. In May of this year, the first phase of MERO, a deep-water oil field cooperated by China and B ...

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This week, we received an inquiry from a Myanmar customer about carbon steel elbow and large size carbon steel bend. The customer requires fittings shall have  carbon equivalent not exceeding 0.45%, Marking for pipe specifications ,heat number , bending angle, total lenght and heat shrinkable co ...

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With the development of the the Belt and Road policy, China has continuously cooperated with relevant countries and created more opportunities for domestic enterprises on the basis of helping other countries. Niger oil field surface phase II and Nigeria Benin pipeline project are integrated upst ...

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On August 24, one of HAIHAO’S business personnel received an inquiry from Saudi Arabia. He wanted to know about pipe fittings, flanges, elbows and other products. These components are used in an oil field. Because the project scale is relatively large, each product needs a variety of diffe ...

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What is the worst application environment for pipe fittings?We all know that the working environment of pipe fittings on land is relatively stable,while the environment on the seabed is more complicated than that on land.However there is another environment worse than that on the seabed,which is ...

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During the construction of a nuclear power plant,there are some basic requirements that need to be followed.We have gained a better understanding of these requirements through participating in Hainan Changjiang nuclear power phase II project.Let’s take a look at some of them. Pipeline prod ...

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In 1957,the world’s first commercial nuclear power plant,the shipping port nuclear power station in the United States,was officially put into use,and mankind officially entered the era of nuclear energy.In the development process of nearly 70 years since then,the development of nuclear power has ...

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Although the environment of steel market was not good in August,HAIHAO Group continued to provide good service and products to customers.On the 15th,we arranged shipments for customers in the Netherlands,Britain,Russia,Singapore and Saudi Arabia.Why HAI HAO can maintain its vitality in the adver ...

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The customer who asked for my inquiry because of the quality problems of the supplier before has confirmed the order this week. All details have been confirmed. The customer has sent me the Purchase Order, and WE are waiting for the customer to make payment and arrange production.  In March, a c ...

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As previously introduced, due to the supplier’s quality problems, the Brazilian customer purchased the order from our company for the first time. As the customer has strict requirements on delivery time, we have been producing for the customer as soon as possible under the premise of quali ...

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