NEFTEGAZ is an international exhibition for the oil and gas industry, which is held annually in Moscow, Russia. The exhibition has been held for over 40 years, and it has become one of the largest events in the industry, attracting participants and v ... Read more
Haihao Group is a leading expert in the field of pipeline engineering, providing a comprehensive range of high-quality products such as flanges, steel pipes, elbows, tees, and other pipe fittings. Recently, we had the opportunity to collaborate with ... Read more
In mid March, the B16.49 API5L GR. B bend with a diameter of 1219mm ordered by a Saudi customer was shipped. After receiving the goods, the customer expressed great satisfaction with the quality of the product. Due to project needs, the customer need ... Read more
Not long ago, Chilean customers customized 50 prefabricated products in Haihao. Now another batch of products have been produced and shipped to the warehouse of Haihao. At present, the preliminary quality inspection of the products has been completed, and the coating part has not been constructed. Recently, this batch ... + Read more
In August, Chilean customers ordered a batch of prefabricated parts from Haihao. Haihao Group has had experience in prefabrication several times before, and is confident that this order can be completed perfectly. Customers put forward requirements for the external coating of products at the beginning of ordering, and ... + Read more
About half a month ago, Chilean customers ordered a batch of prefabricated parts from Haihao, a total of 50 pieces. After signing the supply contract, the products have been put into production. At present, the manufacturing of some flanges and steel pipes has been completed. Haihao will then weld the finished products ... + Read more
Prefabrication is the practice of assembling structural components in the factory or other manufacturing sites and transporting complete components or sub assemblies to the construction site where the structure is located. In pipe fitting engineering, prefabrication has been more and more widely used. What advantages d ... + Read more
Prefabrication is the practice of assembling structural components in the factory or other manufacturing sites and transporting complete components or sub assemblies to the construction site where the structure is located. In pipe fitting projects such as oil and gas projects, due to the complex and diverse constructio ... + Read more
Not long ago, Chilean customers expressed their demand for prefabrication to us. After more than two weeks of communication, the customer communicated with Haihao about the size and coating of the products, and sent a representative to visit the factory on September 24. After the visit, the customer recognized Haihao ... + Read more
Hebei Haihao Group is professional manufacturer of flanged split tee. What is flanged spilt tee? Flanged-split-tee Flanged Spilt tee is split tee with flange in its branch. The branch of tee could connect directly with other pipeline. What is split tee? Split tee is similar to regular tee according ASME B16.9.But the m ... + Read more
Haihao Group is professional pipe fabrication manufacturer; we received order of flanged pipe. Flanged pipe is one pipe with flange in the end. For this order, it’s double flanged pipe. The pipes have flanges in both ends. The material of flanged pipe is stainless steel 316L.According to requirement of client; we must ... + Read more