In the world of piping systems, the choice of flange can significantly impact the efficiency, cost-effectiveness, and ease of installation and maintenance. Slip-on flanges, often referred to as SO flanges, offer a range of advantages that make them a popular choice in various applications. 1.Eas ...

In the world of industrial engineering, precision and durability are paramount. Behind the scenes of every seamless operation lies a series of meticulous processes that ensure the highest quality standards. One such essential process is heat treatment, a fundamental step that brings out the best ...

In the dynamic world of maritime engineering, precision and attention to detail are key factors that drive operational success. It’s with this philosophy that Haihao Group proudly presents its latest achievement in providing tailor-made solutions for the marine industry. Client-Centric Fla ...

When it comes to connecting pipes in various industries, flanges play a pivotal role. Among the array of flange options available, weld neck (WN) flanges and slip-on (SO) flanges stand out as two popular choices, each with its own unique set of advantages. Let’s delve into the key differen ...

Haihao Group, a frontrunner in delivering cutting-edge solutions, is delighted to announce a significant collaboration with a prominent domestic shipyard. This partnership has led to the procurement of a comprehensive range of flange products, including the versatile SO Flange ASME B16.5 CL150 R ...

In recent years, China’s shipbuilding industry has flourished and set impressive new records. Under this exciting background, Haihao Group, as an important participant in this field, not only congratulates the achievements of China’s shipbuilding industry, but also actively participa ...

The Spanish customer recently customized a batch of pipe fittings for marine piping systems, one of which is a specially customized flange, and the specific requirements of the customer are as follows,Key Features of the international flange: Precise Bolt Hole Configuration: The international fl ...

Flange connections play a vital role in various industrial piping systems, providing secure and leak-free connections between pipes, valves, and equipment. One essential aspect of flange connections is the choice of the sealing face type, which directly impacts the overall performance and reliab ...

Safeguarding the safety of pipeline systems is of paramount importance in the oil industry. The recent leakage incident at FPSO Yúum K’ak’ Náab, operated by Mexico’s national oil company, Pemex, serves as a stark reminder that pipeline safety must always be the top priority, wh ...

At Haihao Group, we take great pride in providing a diverse range of top-quality products to cater to our clients’ unique engineering needs. Among our exceptional offerings, the spacer ring, also known as a blind flange insert ring, stands as a testament to our commitment to excellence in ...

At Haihao Group, our commitment to excellence and customer satisfaction drives us to deliver top-of-the-line solutions tailored to our esteemed clients’ specific needs. We are thrilled to announce that a UAE customer has recently entrusted us with a substantial order for a batch of pipe fi ...

At Haihao Group, we take immense pride in fulfilling our customers’ specific requirements and adhering to the highest quality standards. Recently, we received an order from our esteemed UAE customer, who required flange products compliant with the NACE MR 0103 standard. We are thrilled to ...