On December 23, the production of large diameter flange ordered by Singapore customers was completed. The diameter of the flange is 3m. The customer placed an order in the middle of this year. In addition to the flange, the order also includes a large elbow. After the packaging of this completed ...

Recently the Pakistan client send us a tender inquiry for SSGC(Sui Southern Gas Company Limited). The tender including many products, like: ANSI B16.5 Flanges, ASME B16.5 butt weld fittings and fasteners. Weld neck flange WN flange A182 Gr F321 RTJ ASME B16.5 Before we submit the offer, we provi ...

Tube sheet is widely used in tubular heat exchanger, boiler, pressure vessel, steam turbine, large central air-conditioning and other industries. drawing of the tube sheet flange It is mainly used in chemical vessels, such as tubular heat exchangers, pressure vessels, boilers, condensers, centra ...

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 meters, attracting more than 800 exhibitors ...

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 equipment! The exhibition covers an are ...

Alloy flange is a kind of flange plate. There are many kinds of flanges made of this material, such as integral flange, threaded flange, etc. The difference between alloy flange and common flange is that alloy flange can be used in high temperature and high pressure locations and in special pipe ...

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 invited to participate. Special rotating flan ...

In the world of industrial piping, selecting the correct flange type is paramount for system integrity and operational safety. Two of the most commonly encountered flange types are the flat welding flange (often known as a slip-on flange) and the butt welding flange (also called a weld neck flan ...

At the beginning of October, an American customer inquired from Haihao and wanted to order a batch of flange products for a local water conservancy project. After receiving the inquiry, Haihao’s business personnel carefully responded and recommended appropriate products according to the cu ...

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 blue”, the 2022 China Ocean Economic Expo ( ...

With the expansion of Haihao Group’s business, more and more domestic and foreign customers cooperate with us. In order to better serve customers, Haihao began to upgrade the factory and warehouse in October. At present, the reconstruction project has begun, and the painting of the warehou ...

Heat treatment can generally be divided into two types according to process: preliminary heat treatment and final heat treatment. Generally, heat treatment will not change the shape and overall chemical composition of the workpiece, but will endow or improve the performance of the workpiece by c ...