News

Welcome to The Moscow Oil and Gas Exhibition！

The Moscow Oil and Gas Exhibition will be held in the Russian capital Moscow from April 15, 2024 to April 18, 2024, jointly organized by the renowned Russian company ZAO Exhibition and the German company Dusseldorf Exhibition. Since its establishment in 1986, this exhibition has been held once a ... Read More

DHDZ Forging Annual Celebration Wonderful Broadcast!

On January 13, 2024, DHDZ Forging held its annual celebration at the Hongqiao Banquet Center in Dingxiang County, Xinzhou City, Shanxi Province. This banquet has invited all employees and important customers of the company, and we sincerely thank everyone for their dedication and trust in DHDZ Fo... Read More

The 2023 Annual Summary Conference and 2024 New Year Planning Conference of Donghuang Forging have been successfully held!

On January 16, 2024, Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. held a 2023 work summary and 2024 work plan meeting in the conference room of the Shanxi factory. The meeting summarized the gains and achievements of the past year, and also looked forward to expectations for future ... Read More

Travel to PingYao Ancient City

On the third day of our trip to Shanxi, we arrived at the ancient city of Pingyao. This is known as a living sample for studying ancient Chinese cities, let's take a look together! About PingYao Ancient City Pingyao Ancient City is located on Kangning Road in Pingyao County, Jinzhong City, Shanx... Read More

Winter | Shanxi Xinzhou (DAY 1)

Qiao Family Residence Qiao Family Residence, also known as in Zhongtang, is located in Qiaojiabao Village, Qixian County, Shanxi Province, a national key cultural relics protection unit, a national second-class museum, an advanced unit of national cultural relics, a national youth civilization, a... Read More

What are the precautions for flange installation?

The main precautions for flange installation are as follows: 1) Before installing the flange, the sealing surface and gasket of the flange should be inspected and confirmed to ensure that there are no defects that affect the sealing performance, and the protective grease on the flange sealing sur... Read More

HAPPY NEW YEAR！

As the festive season approaches , we wanted to take a moment to send our warmest wishes your way. May this Christmas bring you special moments , joys and an abundance of peace and happiness. We also extend our heartfelt wishes for a prosperous and joyful New Year 2024！ It has been an honor work... Read More

2023 Brazil Oil and Gas Exhibition

The 2023 Brazil Oil Oil and Gas Exhibition was held from October 24th to 26th at the International Convention and Exhibition Center in Rio de Janeiro, Brazil. The exhibition was organized by the Brazilian Petroleum Industry Association and the Brazilian Ministry of Energy and is held every two ye... Read More

2023 Abu Dhabi International Conference and Exhibition on Oil and Gas

The 2023 Abu Dhabi International Conference and Exhibition on Oil and Gas was held from October 2 to 5, 2023 in the capital of the United Arab Emirates, Abu Dhabi. The theme of this exhibition is "Hand in Hand, Faster, and Carbon Reduction". The exhibition features four special exhibition areas, ... Read More

What factors need to be considered when selecting the pressure rating of the connecting flange ?

1. The design temperature and pressure of the container; 2. The connection standards for valves, fittings, temperature, pressure, and level gauges connected to it; 3. The influence of thermal stress on the flange of the connecting pipe in process pipelines (high-temperature, thermal pipelines); 4... Read More

Pressure rating of flanges

A flange, also known as a flange or flange. A flange is a component that connects shafts and is used for connecting pipe ends; Also useful are flanges on the inlet and outlet of equipment, used for connecting two devices, such as gearbox flanges. A flange connection or flange joint refers to a de... Read More

2023 Moscow Oil and Gas Exhibition

The 2023 Moscow Oil and Gas Exhibition (NEFTEGAZ), sponsored by Expocenter, has  be held from April 24 to April 27 at the Moscow Central Exhibition. The exhibition covers an area of 21000 square meters and attracts 22,820 visitors. The number of exhibitors and participating brands reached 573. Th... Read More
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