Hebei Haihao High Pressure Flange & Pipe Fitting Group Co.

  • Looking back at 2022, gathering strength, looking forward to 2023, forge ahead !

    Looking back at 2022, gathering strength, looking forward to 2023, forge ahead !

    The year 2023 is approaching us with vigor and vitality. In the New Year, Haihao Group will stay true to its original intention and forge ahead, working hand in hand with you to create a better world. Haihao Group
  • Shipping piping products for Qatar customers

    Shipping piping products for Qatar customers

    Qatar is an important member of the the Belt and Road, and the local oil and gas resources are very rich. Driven by the the Belt and Road policy, the products of Haihao Group have been more and more applied in local projects in Qatar. On Monday, the produc ...
  • Alternative method of hydrostatic test

    Alternative method of hydrostatic test

    As we said before, there may be some situations in pipeline engineering where hydrostatic test cannot be carried out. As an enterprise specializing in R&D, production and sales of pipeline engineering supporting products, Haihao Group has professional ...
  • The situation that industrial pipelines cannot be subjected to hydrostatic testing

    The situation that industrial pipelines cannot be subjected to hydrostatic testing

    Not long ago, the prefabricated parts ordered by Chilean customers completed the hydrostatic test before delivery. Hydrostatic testing is a commonly used testing method to check the strength and air tightness of pipelines, which is widely used in pipeline ...
  • Customers purchase H-beam steel

    Customers purchase H-beam steel

    H Beam is a kind of economical and efficient section steel with more optimized section area distribution and more reasonable strength weight ratio. It is named because its section is the same as the “H”. Since all parts of H-shaped steel are ar ...
  • New opportunities - Mozambique customers

    New opportunities – Mozambique customers

    In recent years, clean energy represented by natural gas is developing rapidly in the world. The East Africa region has attracted the attention of the international energy market due to its rich natural gas resources. In particular, the offshore area in th ...
  • Orders for swage forgings made of A182 F53

    Orders for swage forgings made of A182 F53

    A182 F53 is a ferritic-austenitic duplex stainless steel that combines the beneficial properties of both. Due to the high content of chromium and molybdenum in this steel, it has good resistance to pitting corrosion, crevice corrosion and uniform corrosion ...
  • 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 square mete ...
  • Haihao Group Brings Piping Products to the 2022 China Marine Economy Expo

    Haihao Group Brings Piping Products to the 2022 China Marine Economy Expo

    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 ...
  • Shipping for UAE customers

    Shipping for UAE customers

    The United Arab Emirates is a member of the Organization of Petroleum Exporting Countries (OPEC), and its national economy is dominated by petroleum production and petrochemical industry. With the promotion of the the Belt and Road policy, trade between th ...
  • Haihao Group was invited to attend the 2022 SSNAME Academic Conference

    Haihao Group was invited to attend the 2022 SSNAME Academic Conference

    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 invit ...
  • New Opportunities for Nuclear Power Development

    New Opportunities for Nuclear Power Development

    Wang Shoujun, president of the Chinese Nuclear Society, introduced at the 23rd Pacific Nuclear Energy Conference held on the 1st that as of June 2022, China had 53 nuclear power generating units in operation, 23 nuclear power generating units under constru ...
  • Haihao Group will attend the 2022 China Marine Economic Expo in November

    Haihao Group will attend the 2022 China Marine Economic Expo in November

    China Marine Economy Expo, the only national marine economy exhibition in China, is an important window to show the achievements of China’s marine economy development. With the theme of “enabling scientific innovation and sharing deep blue̶ ...
  • Delivery of elbow and other piping products customized by British customers

    Delivery of elbow and other piping products customized by British customers

    At the beginning of this year, British customers signed an order contract with Haihao. Customers want to order flanges, steel pipes, elbows and other piping products in Haihao. By the middle of October, the flanges and steel pipes had been supplied. On Oct ...
  • Deliver seamless steel pipes to Indonesian customers

    Deliver seamless steel pipes to Indonesian customers

    At the beginning of this year, a customer in Indonesia signed an order contract for a batch of steel pipes with Haihao Group, and the customer wanted to customize a batch of seamless steel pipes. According to the progress of the project, the goods need to ...
  • Shipping for Qatar customers

    Shipping for Qatar customers

    Last August, Qatari customers ordered a batch of flange and elbow products in Haihao. After more than a year, the required products have been successively delivered to Qatari projects. Last month, the customer said that he needed to customize a few more fl ...
  • Welding requirements for split tee

    Welding requirements for split tee

    With the development of the oil and gas industry, the requirements for the maintenance, replacement and transformation of the pipeline system are also increasing, and the pressure drilling technology has increasingly highlighted its dominant position. Ther ...
  • The factory still delivers goods before the National Day

    The factory still delivers goods before the National Day

    The National Day is a festival for the whole country to celebrate. Next week, Haihao Group will welcome a week of National Day holiday. Before the holiday, the factory of Haihao Group is still busy. Today, two batches of goods will be delivered to customer ...
  • Differences between argon arc welding and electric arc welding

    Differences between argon arc welding and electric arc welding

    Argon arc welding technology is a welding technology based on the principle of ordinary electric arc welding, which uses argon to protect the metal welding materials, and uses high current to melt the welding materials on the substrate to form a molten poo ...
  • TENSION ROD 20 WITH TWO NUTS

    TENSION ROD 20 WITH TWO NUTS

    After the regular customer in Pakistan ordered complex skylight tension rods, they purchased another relatively simple goods – Tension Rod 20 with two nuts. According to the drawings and descriptions given by the customer, this product is equivalent ...