News

Welding Flanges: High Performance Guardians in Pipeline Connections

In the field of pipeline engineering, flanges, as key components for connecting pipelines, have a wide variety of types and functions. Among them, butt welded flanges have become the "star products" in industrial pipeline systems due to their excellent performance and wide application scenarios. ... Read More

Small size forgings: professional customization, exquisite craftsmanship

In the field of industrial manufacturing, small-sized forgings are key elements in precision equipment. We are committed to providing customers with high-quality small-sized forgings and comprehensive customized services through advanced forging technology and strict quality control. Although sma... Read More

Forging Strength, Crafting Excellence – Your Expert in Large-Diameter Non-Standard Flanges

In the vast expanse of the industrial sector, every precision component serves as a vital gear driving industry forward. As a specialized flange forging enterprise, we excel in the field of customized non-standard flanges and large-diameter, heavy-duty flange rings, leveraging unparalleled techni... Read More

Foreign trade elites travel to Iran to seek common development and create brilliance together!

With the booming development of the global oil and gas industry, international exchanges and cooperation are becoming increasingly frequent. Our three elite members from the Foreign Trade Department are ready to embark on a journey to Iran, carrying our carefully crafted flange and forging produc... Read More

Bravely bloom, dance with the Goddess of Shiji in spring! Wishing all girls a happy holiday!

Spring breeze brings warmth, everything revives, and the tenderness of March hides a festival that belongs to every woman - Women's Day. On this day full of celebration and tribute, the Shanghai headquarters of Lihuang Group has specially planned a celebration event with the theme of "Brave Bloom... Read More

Looking forward to meeting you at the 24th Russia International Oil, Gas, and Petrochemical Technology Exhibition (NEFTEGAZ 2025)

In April this year, three elites from our foreign trade department will participate in the 24th Russia International Oil, Gas and Petrochemical Technology Exhibition (NEFTEGAZ 2025). As the largest and most influential oil and gas industry exhibition in Eastern Europe, NEFTEGAZ is not only an imp... Read More

Deep integration, jointly drawing a development blueprint; Hand in hand, seek prosperity together!

Recently, in order to further clarify the company's development direction for the year, optimize performance planning, strengthen cooperation between departments, and arrange factory production processes reasonably, our company successfully held a departmental communication meeting. This conferen... Read More

Industry standards and technical specifications for flange forgings

As an important connecting component in the industrial field, flange forgings are manufactured and used in accordance with a series of strict industry standards and technical specifications to ensure product quality and meet usage needs. In terms of material selection, flange forgings should be m... Read More

What is the difference between the flanges of the Ministry of Machinery and the Ministry of Chemical Industry?

There are significant differences between the flanges of the Ministry of Machinery and the Ministry of Chemical Industry in multiple aspects, mainly reflected in their applications, materials, structures, and pressure levels.   1 Purpose   Mechanical flange: mainly used for general pipe... Read More

How much do you know about flange forgings?

Flange forgings are crucial connecting components in the industrial field, made through forging processes and used to connect pipelines, valves, and other equipment. So, how much do you know about the basic concepts, materials, classifications, usage scenarios, and application areas of flange for... Read More

Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. Corporate Social Responsibility Report (CSR Report)

Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. Corporate Social Responsibility Report (CSR Report) Reporting year : 2024 Release date : [ November 29 ]     Preface Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. (hereinafter referred to as "Donghuang Company") is... Read More

The process flow of forging and the characteristics of its forgings

Technological Process Different forging methods have different processes, among which the process flow of hot forging is the longest, generally in the order of: billet cutting; Heating of forging blanks; Roll forging blanks; Forging forming; Cutting edges; Punching; Correction; Intermediate inspe... Read More
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