Haihao Group proudly participated in Tube China 2024, where we successfully handled hundreds of clients from various industries. Our team’s professionalism, strict standards, and genuine approach earned the trust of many, making them choose Haihao Group as their preferred piping solutions ...

A tube sheet is a flat metal plate featuring multiple circular holes for connecting to pipelines. Typically, it appears as a relatively thick rectangular or circular plate, with hole arrangements and sizes designed to match the diameters of the connected pipes. The edges of the tube sheet often ...

Haihao Group is pleased to announce the delivery of the ASME B16.5 ASTM A350-LF2 C1.1 weld neck flanges for our valued client in Indonesia. This product underscores our commitment to quality and precision in manufacturing essential piping components. A weld neck (WN) flange features a long taper ...

In recent years, offshore wind power in China has seen rapid growth, despite its late start compared to Europe. By the end of 2023, the total installed capacity of offshore wind power in China reached 37.3 GW, making it the world’s largest market. Projections indicate that by 2025, this ca ...

The 2024 International Pipe Exhibition will be held at the Shanghai New International Expo Center from September 25 to 28, 2024.This premier event will showcase the latest advancements in tube and pipe manufacturing technologies, and we are thrilled to be part of it. Haihao Group invites you to ...

Orifice flanges are widely used in flow measurement systems to measure the flow of liquids and gases in pipelines. To ensure high accuracy in these measurements, it is essential to adhere to specific guidelines regarding the pipeline setup and the installation of orifice plates. Below are two ke ...

Haihao Group, a leading provider of advanced pipeline solutions, recently completed the production of ASME B16.48 ASTM A516 Gr.70 spectacle blind flanges with a 3mm inconel 625 weld overlay for a key customer in Singapore. These flanges were fabricated in three different sizes—2″, 3″ ...

Weld neck flanges and slip-on flanges are among the most widely utilized flange types, yet many people struggle to distinguish between them. These two flange designs have distinct characteristics that make them suitable for different applications, depending on the specific needs of the piping sy ...

Haihao Group has recently completed the shipment of a customized set of piping system components for one of our valued domestic clients. The shipment includes various sizes of high-quality weld neck flanges and gaskets products, ensuring they meet the specific requirements of their project. The ...

We are delighted to announce a new order from our Singaporean client for the API 6BX RTJ ASTM A694 F65 blind flanges. This product is specifically engineered to meet the rigorous demands of high-pressure environments in the oil and gas industry. In this article, we will delve into the details of ...

Butt welding and socket welding are two common methods of pipe connection, and they differ significantly in several ways. Here are the two types of welding 1.The main differences in connection mode: Butt welding is to place the welds respectively between two clamping devices, so that their end f ...

AGOGO FPSO: A Milestone Achievement On the morning of July 20th, the highly anticipated “super factory at sea,” AGOGO FPSO, departed from the dock, marking the successful completion and delivery of this significant conversion project at China Resources Dalian Shipyard. According to U ...