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  • Weld requirements in pipe prefabrication

    Weld requirements in pipe prefabrication

    Not long ago, Haihao Group just completed the delivery of prefabricated parts to Chilean customers. To a certain extent, pipeline prefabrication is actually the welding of tube and tube, tube and flange, tube and elbow, tube and tee, etc. Therefore, ...   Read more

  • Prefabricated welded joints in prefabrication

    Prefabricated welded joints in prefabrication

    Welding joints can be divided into two types, fixed joints and rotating joints. The fixed welding joint means that the equipment or pipe fittings do not move, and the welding is performed by people moving; the rotating welding joint means that the eq ...   Read more

  • 2022 China Marine Economy Expo opens in Shenzhen

    2022 China Marine Economy Expo opens in Shenzhen

    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 squar ...   Read more

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Prefabricated parts from Chilean customers have completed production

Not long ago, Chilean customers customized 50 prefabricated products in Haihao. Now another batch of products have been produced and shipped to the warehouse of Haihao. At present, the preliminary quality inspection of the products has been completed, and the coating part has not been constructed. Recently, this batch ... + Read more

Go to coating partner for inspection

In August, Chilean customers ordered a batch of prefabricated parts from Haihao. Haihao Group has had experience in prefabrication several times before, and is confident that this order can be completed perfectly. Customers put forward requirements for the external coating of products at the beginning of ordering, and ... + Read more

Complete partial production of prefabricated products

About half a month ago, Chilean customers ordered a batch of prefabricated parts from Haihao, a total of 50 pieces. After signing the supply contract, the products have been put into production. At present, the manufacturing of some flanges and steel pipes has been completed. Haihao will then weld the finished products ... + Read more

Advantages of prefabrication

Prefabrication is the practice of assembling structural components in the factory or other manufacturing sites and transporting complete components or sub assemblies to the construction site where the structure is located. In pipe fitting engineering, prefabrication has been more and more widely used. What advantages d ... + Read more

Prefabrication in pipe fittings

Prefabrication is the practice of assembling structural components in the factory or other manufacturing sites and transporting complete components or sub assemblies to the construction site where the structure is located. In pipe fitting projects such as oil and gas projects, due to the complex and diverse constructio ... + Read more

Confirm cooperation, 50 prefabrication orders

Not long ago, Chilean customers expressed their demand for prefabrication to us. After more than two weeks of communication, the customer communicated with Haihao about the size and coating of the products, and sent a representative to visit the factory on September 24. After the visit, the customer recognized Haihao&# ... + Read more

Flanged split tee

Hebei Haihao Group is professional manufacturer of flanged split tee. What is flanged spilt tee? Flanged-split-tee Flanged Spilt tee is split tee with flange in its branch. The branch of tee could connect directly with other pipeline. What is split tee? Split tee is similar to regular tee according ASME B16.9.But the m ... + Read more

Haihao Group perform PMI testing for flanged pipe

Haihao Group is professional pipe fabrication manufacturer; we received order of flanged pipe. Flanged pipe is one pipe with flange in the end. For this order, it’s double flanged pipe. The pipes have flanges in both ends. The material of flanged pipe is stainless steel 316L.According to requirement of client; we must ... + Read more