We all know that elbow is widely used in pipeline engineering, but the production and processing process of elbow is not so easy. There are relevant technical requirements for elbow processing. Now Haihao will show you these technical requirements. product ...

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 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 ...

On November 18, CNOOC reported that China’s first self-developed shallow water underwater production system was successfully put into production in Jinzhou 31-1 Gas Field in Bohai Sea. This is an innovation in China’s shallow water oil and gas ...

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 ...

Due to the large diameter of large diameter elbow, direct pushing requires large pushing equipment, so both equipment technology and material cost are relatively high. Butt welding elbow and shrimp waist elbow are the most commonly used in the market. Let& ...

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 ...

On October 30, the steel pipes ordered by Dutch customers in Haihao were delivered. This is the 16th batch of goods, and 15 batches of goods have been sent to projects in the Netherlands before. Last year, the Netherlands signed a contract with Haihao to p ...

We have received an order from an Italian customer, who needs FBE coated pipe bends. The product details are as follows: DN48″x 0.625″ (1219.2×15.9mm) API 5L, Gr. B, PSL-1, SAW, pipe bend 22.5degr., radius 5D, bevelled, SCH ASME B36.10M, E ...

FBE is the abbreviation of “Fusion Bonded Epoxy“. There are two types of FBE coating: single layer and double layer. FBE coating generally refers to a single-layer fusion-bonded epoxy coating. The single-layer FBE coating uses a special fusion- ...

In June, a customer in Vietnam sent an inquiry to Haihao. He wanted to order a batch of steel pipes with an order quantity of 10 tons. The products would be used for a local project in Vietnam. After receiving the inquiry, Haihao Group responded positively ...

As a large-scale foreign trade enterprise, Haihao Group has developed rapidly relying on the policy of the Belt and Road, and its performance has improved rapidly in recent years. Especially in the Middle East, Southeast Asia and other regions, a large num ...

The products of the order are fixedmarine platform for oil and gas project closed to the Arctic Circle.The subsea engineering project is more serious, and the requirements for product materials are more stringent. Our company department also attaches great ...

Since our Russia’s petroleum cracking pipe and fittings order confirmed on August, it’s pasted two months. Our client has pushed us for many times for the delivery time. But this order it’s customized products. It’s contains: 2 piec ...

As different countries and regions adopt different product standards, as a foreign trade supplier, manufacturers should be able to produce products of various standards. With more than 40 years of prodauction and operation experience in the pipe fitting in ...

The construction environment of oil pipeline is various, and environmental factors must be fully considered when constructing the pipeline. Among all kinds of construction environment, desert is undoubtedly a difficult construction environment. The long-te ...

Refinery refers to a factory that produces diesel oil, gasoline, kerosene, lubricating oil, petroleum coke, asphalt, ethylene and other products from the crude oil extracted from the formation through distillation, catalysis, cracking, cracking, hydrofinin ...

Refineries play a very important role in the application of petroleum products. Generally speaking, there are three types of refineries: Fuel type refinery. Clean fuel is produced, and some clean fuel refineries also produce lubricating oil Oil chemical c ...

The oil pipeline is composed of oil pipes and their accessories, and is equipped with corresponding oil pump units according to the requirements of the process flow. It is designed and installed into a complete pipeline system to complete the oil receiving ...

Due to the harsh offshore construction environment and fierce market competition,the requirements for the quality,specification,material,price,supply cycle and after-sales service of steel pipes are becoming higher and higher.In the course of more than 40 ...