Haihao Group is proud to announce that we have received an order from an esteemed Iranian customer for a batch of top-quality threadolet FTE class 3000 ASTM A105 (175 PSI) ASME B16.11 pipe fittings. With our commitment to excellence and dedication to custo ...

Calculating pipe flow velocity is a critical step in the design and operation of piping systems. It determines the pipeline size, fluid delivery capacity and pressure loss, and has a direct impact on the safety, economic benefits and stable operation of th ...

At Haihao Group, we understand the importance of surface quality when it comes to pipe fittings. To ensure optimal performance, longevity, and visual appeal, we employ advanced surface treatment techniques such as pickling, grit blasting, and electropolish ...

We are thrilled to announce that a valued customer from Iran has recently placed an order with Haihao Group for a comprehensive range of pipe fittings. This order includes ASME B16.11 socket weld union CL3000 CS A105, ASME B36.10M 1/2in Sch40 pipe Smls PE ...

At Haihao Group, we take great pride in our contributions to the success of submarine pipeline projects worldwide. With our top-quality pipe fittings and comprehensive solutions, we have established strong partnerships and garnered customer satisfaction in ...

When it comes to submarine pipeline projects, technical expertise and professional knowledge play a pivotal role in ensuring success. Haihao Group proudly offers a team of experienced engineers and technical experts who specialize in submarine pipeline sol ...

In the world of piping systems, protecting pipes from corrosion and external factors is of utmost importance. That’s why the ASME B36.10M Sch40 seamless pipe features a protective PE coating. Let’s delve into the advantages and benefits of this ...

In the world of nuclear power plant projects, ensuring the longevity and durability of pipe fittings is of utmost importance. At Haihao Group, we have developed an exceptional solution to safeguard our pipe fittings in these critical environments. Our hot- ...

Haihao Group takes immense pride in delivering exceptional pipe fittings that meet the demands of even the most challenging projects. Today, we celebrate the successful order of three pieces of B16.49 API5L GR.B CS Horizontal Bend, measuring an impressive ...

The main components of epoxy resin coating are epoxy resin and curing agent. Epoxy resin is a material with high strength, high hardness, and high corrosion resistance, while curing agent is a chemical substance that promotes the curing of epoxy resin. Whe ...

At Haihao Group, we understand the critical importance of protecting pipe fittings from extreme heat and ensuring their long-term durability and performance. That’s why we have partnered with leading coating factories to offer a wide range of high-qu ...

At Haihao Group, we take pride in being more than just a supplier of premium pipe fittings. We are dedicated to offering comprehensive solutions to meet all of our customers’ needs. Recently, we had the opportunity to assist a valued customer from th ...

In the fast-paced world of the oil and gas industry, efficiency and reliability are crucial factors for success. When it comes to designing and constructing pipelines, choosing the right components is of paramount importance. One such essential component i ...

Haihao Group takes immense pride in delivering top-quality pipe fittings to clients worldwide, and our recent shipment to Singapore further solidifies our commitment to excellence. We are thrilled to announce the successful delivery of a batch of premium f ...

When it comes to achieving optimal connections, Haihao Group understands that one size does not fit all. That’s why we offer a wide range of products with tailored thread shapes to meet the unique needs of our customers. Whether it’s tapered th ...

We are thrilled to announce the successful shipment of our high-quality concentric reducers to our valued customer in Turkey. With our commitment to excellence and customer satisfaction, we take pride in delivering superior products that meet industry stan ...

In the world of pipe fittings production, the quality of raw materials is paramount in ensuring the excellence of the final products. At Haihao Group, we understand the significance of sourcing high-quality materials, which is why we forge partnerships wit ...

We are delighted to present the remarkable production process behind the BS 1965 EN 10253-4 S235JRG2 reducing tee, specifically designed and manufactured to meet the highest industry standards. With our meticulous attention to detail and commitment to exce ...

In the world of pipeline systems, seamless flow and efficient transitions are vital for optimal performance. Behind the scenes, the manufacturing process of concentric reducers plays a pivotal role in achieving these objectives. In this promotional article ...

In the world of piping systems, durability and longevity are vital considerations. At Haihao Group, we understand the importance of safeguarding your piping components against the harsh elements and corrosive environments. That’s why we offer galvani ...